highway division - iowa department of transportation · anchor bolts shall be plumb within ‚ inch...
TRANSCRIPT
6/28/2017 5:53:27 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-00-11 11x17_pdf.pltcfg
STEEL OVERHEAD SIGN TRUSS
STANDARDS
Highway Division
6/28/2017 5:53:29 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-01-11 11x17_pdf.pltcfg6/28/2017 5:53:29 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-01-11 11x17_pdf.pltcfg
SPECIFICATIONS:
DESIGN STRESSES:
CONSTRUCTION: IOWA DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATIONS
PROVISIONS SHALL APPLY TO CONSTRUCTION WORK ON THIS PROJECT.
SPECIFICATIONS, SUPPLEMENTAL SPECIFICATIONS AND SPECIAL
APPLICABLE GENERAL SUPPLEMENTAL SPECIFICATIONS, DEVELOPMENTAL
FOR HIGHWAY AND BRIDGE CONSTRUCTION, SERIES 2015, PLUS
GENERAL NOTES:
STRUCTURAL ALIGNMENT/TOLERANCE NOTES:
SOST-01-11
ANCHOR-BOLT`NUT`TIGHTENING`PROCEDURE:
8)
7)
6)
5)
4)
3)
2)
1)
BE 2" UNLESS OTHERWISE SHOWN.
CLEAR DISTANCE FROM FACE OF CONCRETE TO THE NEAREST REINFORCING BAR SHALL
BE LIMITED TO A MAXIMUM OF 10 DEGREES FROM VERTICAL.
UNLESS STATED OTHERWISE. IN ADDITION, THE BEVEL USED ON THE KEYWAY SHALL
KEYWAY DIMENSIONS SHOWN ON THE PLANS ARE BASED ON NOMINAL DIMENSIONS
INDEX AND NOTES
SHOP DRAWINGS SHALL INDICATE LEFT AND RIGHT TRUSS SUPPORTS.
STEEL OVERHEAD SIGN TRUSS STANDARDS
INDEX FOR
DESIGN: AASHTO STANDARD SPECIFICATIONS FOR STRUCTURAL SUPPORTS FOR
APPROVAL OF THE OFFICE OF BRIDGES AND STRUCTURES.
STEEL OVERHEAD SIGN TRUSSES SHALL NOT BE USED ON BRIDGES WITHOUT THE
FOR HIGHWAY BRIDGES, SERIES OF 2002, SECTION 8, GRADE 60.
REINFORCING STEEL IN ACCORDANCE WITH AASHTO STANDARD SPECIFICATIONS
GALVANIZED STEEL NOTES:
GALVANIZED STEEL FASTENER NOTES:
ANCHOR BOLT NOTES:
50'-130' SPANSLUBRICATE, PLACE AND TIGHTEN THE JAM NUTS TO SNUG TIGHT.
1•"½ 1/6 TURN 1/6 TURN 1/3 TURN
ANCHOR-BOLT SIZE FIRST PASS SECOND PASS TOTAL ROTATION
DO NOT ROTATE THE LEVELING NUT DURING THE TOP NUT TIGHTENING.
SUBSEQUENTLY TIGHTENED UNTIL ALL NUTS IN THAT PASS HAVE BEEN TURNED.
THAT THE NUT ON THE OPPOSITE SIDE, TO THE EXTENT POSSIBLE, WILL BE
PASSES AS LISTED BELOW. USE A SEQUENCE OF TIGHTENING IN EACH PASS SO
STRIKING OR HYDRAULIC WRENCH, FURTHER TIGHTEN THE TOP NUTS IN TWO
ROTATION OF THE NUT AND BASE PLATE DURING TIGHTENING. USING A
APPROVED MEANS TO PROVIDE A REFERENCE FOR DETERMINING THE RELATIVE
MATCH-MARK THE TOP NUTS AND BASE PLATE USING PAINT, CRAYON, OR OTHER
TIGHTEN TOP NUTS TO SNUG TIGHT AS DESCRIBED FOR THE LEVELING NUTS.
OF THE NUTS IN THAT PASS HAVE BEEN TIGHTENED.
SIDE, TO THE EXTENT POSSIBLE, WILL BE SUBSEQUENTLY TIGHTENED UNTIL ALL
SEQUENCE THE TIGHTENING IN EACH PASS SO THAT THE NUT ON THE OPPOSITE
ROTATING. USE A MINIMUM OF TWO SEPARATE PASSES OF TIGHTENING.
USING ENTIRE BODY WEIGHT ON THE END OF THE WRENCH UNTIL THE NUT STOPS
TO THE END OF THE WRENCH AS POSSIBLE. PULL FIRMLY BY LEANING BACK AND
THE BOLT DIAMETER BUT NOT LESS THAN 18 INCHES. APPLY FORCE AS CLOSE
FULL EFFORT OF ONE PERSON ON A WRENCH WITH A LENGTH EQUAL TO 14 TIMES
LEVELING NUTS TO SNUG TIGHT CONDITION. SNUG TIGHT IS DEFINED AS THE
TIGHTEN TOP NUTS SO THEY FULLY CONTACT THE BASE PLATE. TIGHTEN
ANCHOR BOLT, NUTS, AND WASHERS.
APPLY STICK WAX OR BEES WAX TO THE THREADS AND BEARING SURFACES OF THE
BASE PLATE, ANCHOR BOLTS AND NUTS ARE TO BE FREE OF ANY DIRT OR DEBRIS.
ADJUSTABLE END WRENCHES OR PIPE WRENCHES SHALL NOT BE USED.
SHALL BE USED TO AVOID ROUNDING OR OTHER DAMAGE TO THE NUTS.
PROPERLY SIZED WRENCHES DESIGNED FOR TIGHTENING NUTS AND/OR BOLTS
COMPLETED ON ALL OF THE BASE PLATE NUTS WITHOUT PAUSE OR DELAY.
INSPECTOR. ONCE THE TIGHTENING PROCEDURE IS STARTED IT MUST BE
ALL TIGHTENING OF THE NUTS IS TO BE DONE IN THE PRESENCE OF THE
THIS WORK SHALL BE PERFORMED ONLY ON DAYS WITH WINDS LESS THAN 15 MPH.
SOST-20-11
SOST-19-11
SOST-18-11
SOST-17-11
SOST-16-11
SOST-15-11
SOST-14-11
SOST-13-11
SOST-12-11
SOST-11-11
SOST-10-11
SOST-09-11
SOST-08-11
SOST-07-11
SOST-06-11
SOST-05-11
SOST-04-11
SOST-03-11
SOST-02-11
SOST-01-11
FOUNDATION DETAILS FOR STAGED CONSTRUCTION - STAGE 2
FOUNDATION DETAILS FOR STAGED CONSTRUCTION - STAGE 1
CONDUIT LOCATION DETAILS
FOUNDATION DETAILS - NON-STAGED
DMS LADDER SECURITY DOOR DETAILS
DMS LADDER DETAILS
DMS RUNWAY GATE DETAILS
DMS RUNWAY DETAILS
DYNAMIC MESSAGE SIGN (DMS) RUNWAY DETAILS
SIGN ATTACHMENT DETAILS
TRUSS SUPPORT AND CHORD SPLICE DETAILS FOR 105' - 130' SPANS
TRUSS SUPPORT AND CHORD SPLICE DETAILS FOR 50' - 100' SPANS
GUSSET PLATE CONNECTIONS
SUPPORT BASE AND DMS ELECTRICAL ACCESS DETAILS FOR 105' - 130' SPANS
SUPPORT BASE AND DMS ELECTRICAL ACCESS DETAILS FOR 50' - 100' SPANS
ELEVATION VIEWS FOR 120' - 130' SPANS
ELEVATION VIEWS FOR 105' - 115' SPANS
ELEVATION VIEWS FOR 80' - 100' SPANS
ELEVATION VIEWS FOR 50' - 75' SPANS
INDEX AND NOTES FOR 50' - 130' SPANS
BENDING OR WELDING OF ANCHOR BOLTS SHALL NOT BE ALLOWED.
U-BOLT NOTES:
BE TENSIONED BY TURN-OF-NUT METHOD.
UNLESS OTHERWISE NOTED ON THE PLANS, GALVANIZED STEEL FASTENERS SHALL
PROPER BOLT LENGTH AND THREAD LENGTH.
SUBSTITUTED FOR ASTM A325 TYPE 1 BOLTS WHERE NECESSARY TO ASSURE
BE SUBSTITUTED FOR JAM NUTS. ASTM A449 TYPE 1 BOLTS MAY BE
REGULAR NUTS MAY BE SUBSTITUTED FOR JAM NUTS. LOCK WASHERS SHALL NOT
REGULAR NUTS AND JAM NUTS SHALL BE ASTM A563 GRADE DH HEAVY HEX.
2408.03, S AND ARTICLE 4187.01, C, 2 OF THE STANDARD SPECIFICATIONS.
GALVANIZED STEEL FASTENERS SHALL BE IN ACCORDANCE WITH ARTICLE
ARTICLE 4187.01, C, 3 OF THE STANDARD SPECIFICATIONS.
ALL ANCHOR BOLT MATERIALS AND GALVANIZING SHALL BE IN ACCORDANCE WITH
HIGHWAY BRIDGES, SERIES OF 2002, SECTION 8, f'c = 4.0 KSI.
CONCRETE IN ACCORDANCE WITH AASHTO STANDARD SPECIFICATIONS FOR
JAM NUTS. LOCK WASHERS SHALL NOT BE SUBSTITUTED FOR JAM NUTS.
AS THOSE OF THE U-BOLTS SPECIFIED. REGULAR NUTS MAY BE SUBSTITUTED FOR
WASHERS, REGULAR NUTS, AND JAM NUTS SHALL USE THE SAME ALLOY PROPERTIES
IN ACCORDANCE WITH ARTICLE 4187.01, C, 2 OF THE STANDARD SPECIFICATIONS.
U-BOLTS MAY BE MADE OF GALVANIZED STEEL OR STAINLESS STEEL AND SHALL BE
INTERIMS.
HIGHWAY SIGNS, LUMINAIRES AND TRAFFIC SIGNALS, SERIES OF 2009 WITH
07-17
ARTICLE 1105.03 OF THE STANDARD SPECIFICATIONS.
SHOP DRAWINGS SHALL BE SUBMITTED BY THE CONTRACTOR IN ACCORDANCE WITH
BELOW.
COMPONENTS HAVE BEEN MEASURED AND ARE LOCATED WITHIN THE TOLERANCES LISTED
SHALL SUBMIT DOCUMENTATION TO THE ENGINEER SHOWING THAT THE VARIOUS
SIGN TRUSS AND ITS SUPPORTS SHALL BE CONSIDERED ESSENTIAL. THE CONTRACTOR
THE PRECISE INSTALLATION AND ALIGNMENT OF ALL COMPONENTS OF THE OVERHEAD
FOOT OF VERTICAL.
AND THE VERTICAL LINES BETWEEN CHORDS SHALL BE PLUMB WITHIN ˆ`INCH PER
LINES BETWEEN CHORDS SHALL BE LEVEL WITHIN ˆ`INCH PER FOOT OF HORIZONTAL,
THE OVERHEAD TRUSS SHALL BE SQUARE WITHIN SUPPORT POSTS. THE HORIZONTAL
MEASURED FROM OUTER U-BOLT TO INSIDE OF CHORD STOP RING.
STICK-OUT OF EACH TRUSS LOWER CHORD SHALL BE WITHIN 3 AND 5•`INCHES
IN TWO PERPENDICULAR DIRECTIONS.
EACH TRUSS SUPPORT POST SHALL BE PLUMB WITHIN ˆ`INCH PER FOOT OF VERTICAL
PLAN DIMENSION.
ANCHOR BOLTS SHALL PROJECT ABOVE TOP OF FOUNDATION WITHIN ‚ INCH OF THE
ANCHOR BOLTS SHALL BE PLUMB WITHIN ‚ INCH PER FOOT FROM VERTICAL.
GROUPS IN EACH FOUNDATION WITHIN ‰ INCH OF THE PLAN DISTANCE APART.
ANCHOR BOLT GROUPS SHALL BE LOCATED ACCURATELY WITH CENTERS OF ADJACENT
DIFFERING BY NOT MORE THAN 1 INCH.
OVERHEAD TRUSS BETWEEN CENTERS OF FRONT AND REAR ANCHOR BOLT GROUPS
THE TWO FOUNDATIONS SHALL BE PARALLEL, WITH THE DISTANCES ALONG THE
LOCATION IN THE DIRECTION PERPENDICULAR TO THE TRUSS.
DIRECTION PARALLEL WITH THE TRUSS AND NOT MORE THAN 1 INCH FROM THE PLAN
ANCHOR BOLT GROUPS NOT MORE THAN 1 INCH FROM THE PLAN LOCATION IN THE
EACH FOUNDATION SHALL BE ACCURATELY LOCATED, WITH THE CENTER OF THE TWO
SHOW LOCATION AND SIZE OF VENT HOLES ON SHOP DRAWINGS.
IN ACCORDANCE WITH ASTM A123. PROVIDE VENT HOLES FOR GALVANIZING.
ALL STEEL SECTIONS SHALL BE HOT-DIPPED GALVANIZED AFTER FABRICATION
CHORD-SPLICE WELDS.
ULTRASONIC TESTING SHALL BE PERFORMED ON THE POST-TO-BASE-PLATE AND
AWS SPECIFICATIONS D1.1, STRUCTURAL WELDING CODE--STEEL.
STEEL WELDING SHALL BE IN ACCORDANCE WITH THE CURRENT EDITION OF THE
BARS, AND BANDING BARS SHALL COMPLY WITH ASTM A1011 TYPE 2.
A572. ALL STEEL BAR GRATING SECTIONS INCLUDING BEARING BARS, CROSS
ALL STEEL SHAPES, BARS, AND PLATES SHALL COMPLY WITH ASTM A36 OR ASTM
SHALL HAVE A MINIMUM YIELD STRENGTH OF 42 KSI.
X42. THESE MEMBERS DESIGNATED AS HOLLOW STRUCTURAL SECTIONS (HSS)
ALL STEEL POSTS SHALL COMPLY WITH ASTM A500 GRADE B OR API 5L GRADE
AS STEEL PIPE SHALL HAVE A MINIMUM YIELD STRENGTH OF 35 KSI.
B; ASTM A500 GRADE B; OR API 5L GRADE X42. THESE MEMBERS DESIGNATED
GRADE B, TYPE E OR S; THE AMERICAN PETROLEUM INSTITUTE (API) 5L GRADE
ALL STEEL CHORDS, DIAGONALS AND STRUTS SHALL COMPLY WITH ASTM A53
DESIGN STRESSES FOR MATERIALS ARE IN ACCORDANCE WITH AASHTO STANDARD
SPECIFICATIONS FOR STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS, LUMINAIRES
AND TRAFFIC SIGNALS, SERIES OF 2009 WITH INTERIMS.
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SHALL BE MOUNTED TO A TRUSS SUPPORTING A DMS.
BY THE IOWA D.O.T. OFFICE OF BRIDGES AND STRUCTURES. NO ADDITIONAL SIGNS
ANY TRUSS WITH A SPAN EXCEEDING 100 FEET WITHOUT PRIOR REVIEW AND APPROVAL
DMS SHALL BE MOUNTED TO EACH OVERHEAD TRUSS. A DMS SHALL NOT BE MOUNTED TO
A WIDTH OF 32'-0, A HEIGHT OF 9'-0, AND A DEPTH OF 4'-0. A MAXIMUM OF ONE
DYNAMIC MESSAGE SIGNS (DMS). EACH DMS IS LIMITED TO A WEIGHT OF 4500 LBS.,
WIND PRESSURE ON SUPPORT MEMBERS, 30 LB/FT¢ ON SIGNS, AND 40 LB/FT¢ ON
ALL STEEL OVERHEAD TRUSS BRIDGE SIGN SUPPORTS ARE DESIGNED FOR 30 LB/FT¢
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STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:31 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-02-11 11x17_pdf.pltcfg
9 4'-3 5'-0 5'-0 5'-0 4'-3 9
9 4'-3 5'-0 5'-0 4'-3 9
9 4'-3 5'-0 5'-0 5'-0 5'-0 94'-3
25'-0 25'-0
25'-0 30'-0
20'-0 20'-0
20'-0 25'-0
20'-0 30'-0
25'-0 25'-0
20'-0
20'-0
20'-0
25'-0
50'-0 | TO | POSTS
55'-0 | TO | POSTS
60'-0 | TO | POSTS
65'-0 | TO | POSTS
70'-0 | TO | POSTS
75'-0 | TO | POSTS
7'-
4
TY
PIC
AL
6'-
0
5'-
0
SOST-02-1150'-75' SPANS
760`S.F.
855`S.F.
950`S.F.
950`S.F.
950`S.F.
950`S.F.
811`S.F.
885`S.F.
944`S.F.
L
H
EE
A
SPAN
L H A
AREA
SIGN
MAX.
HEIGHT
SIGN
MAX.
ALLOWABLE SIGN AREA
E
CAMBER DIAGRAM
L/2
L
50'
55'
60'
ƒ
ƒ
‡
L
SPAN
C
CAMBER
65'
70'
75'
1"
1„
1‚
50'
55'
60'
65'
70'
75'
HSS`14.000`x`0.500
STEEL PIPE
5" ½ EXTRA-STRONG
TRUSS SUPPORT
A
A
A
A
A
A
A
A
A
A
A
A
PART ELEVATION VIEWSGUSSET PLATES NOT SHOWN
TYPICAL TRUSS UNIT
ISOMETRIC VIEW
TRUSS SPANS
ELEVATION VIEWS FOR
CENTERED *
PART TOP VIEW
DIST.
END
MIN.
DETAIL A
CDETAIL A
DETAIL A
DETAIL A
DETAIL A
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
3"½ STANDARD STEEL PIPE (TYP.)
3"½ STANDARD STEEL PIPE (TYP.)
3"½ STANDARD STEEL PIPE (TYP.)
3"½ STANDARD STEEL PIPE (TYP.)
3"½ STANDARD STEEL PIPE (TYP.)
3"½ STANDARD STEEL PIPE (TYP.)
FRONT-FACE DIAGONAL
INTERIOR DIAGONAL
BACK-FACE DIAGONAL DETAIL C
INTERIOR DIAGONAL
50'
55'
60'
65'
70'
75'
65'
70'
75'
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
14'-9
14'-9
14'-9
5'-0
5'-0
5'-0
7'-6
5'-0
5'-0
5'-6
10'-0
12'-6
'E' SHOWN IN TABLE.
EQUAL TO MINIMUM END DISTANCE
DISTANCES ARE GREATER THAN OR
PARAMETERS ARE USED AND END
HEIGHT AND MAXIMUM SIGN AREA
PERMITTED IF SAME MAXIMUM SIGN
OFFSET FROM CENTER OF TRUSS ARE
* SIGNS THAT ARE HORIZONTALLY
DIAGONAL
BOTTOM-FACE
DIAGONAL
TOP-FACE
DETAIL B
DETAIL B
DETAIL B
DETAIL B
STEEL PIPE (TYP.)
3"½ STANDARD
DETAIL B
DETAIL A
DETAIL B
SIGN TRUSS
STEEL OVERHEAD
SIGN AREA FOR
CHORD SPLICE
AL
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CENTERED *
INTERIOR DIAGONALS HAVE SAME ORIENTATION AT CHORD SPLICE LOCATIONS
BACK FACE AND BOTTOM FACE.
INTERIOR DIAGONALS ARE SHOWN DASHED TOWARDS THE
SHOWN SOLID NEAR THE FRONT FACE AND TOP FACE.
SHOWN WITH DASHED LINES. INTERIOR DIAGONALS ARE
BACK-FACE DIAGONALS AND BOTTOM-FACE DIAGONALS ARE
SEE STANDARD SHEET SOST-08-11 FOR SECTION A-A AND DETAILS A, B AND C.
DETAIL A
SIMILAR TO
07-17
IN RED FOR CLARITY
INTERIOR DIAGONALS SHOWN
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STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:32 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-03-11 11x17_pdf.pltcfg
25'-0 30'-0 25'-0
80'-0 | TO | POSTS
4'-3
30'-0 25'-0 30'-0
85'-0 | TO | POSTS
30'-0 30'-0 30'-0
90'-0 | TO | POSTS
30'-0 35'-0 30'-0
95'-0 | TO | POSTS
30'-0 40'-0 30'-0
100'-0 | TO | POSTS
4'-3 95'-05'-05'-05'-04'-39
95'-05'-05'-04'-39
4'-35'-05'-05'-05'-04'-39 95'-0
7'-
4
TY
PIC
AL
6'-
0
5'-
0
SOST-03-11
L
H
E 1 2
E
A
L
H
EE
A
CENTERED
944`S.F.
944`S.F.
944`S.F.
944`S.F.
944`S.F.
948`S.F.
948`S.F.
948`S.F.
760`S.F.
703`S.F.
684`S.F.
665`S.F.
646`S.F.
915`S.F.
811`S.F.
752`S.F.
723`S.F.
912`S.F.
SPAN
L H A
DIST.
END
LEFT
MIN.
DIST.
END
RIGHT
MIN.
AREA
SIGN
MAX.
HEIGHT
SIGN
MAX.
SPAN
L H A
AREA
SIGN
MAX.
HEIGHT
SIGN
MAX.
ALLOWABLE SIGN AREA
CENTERED
E
CAMBER DIAGRAM
L/2
L
80'
85'
90'
1…
1•
1ƒ
L
SPAN
C
CAMBER
95' 1‡
2„
80'
90'
95'
85'
TYPICAL TRUSS UNIT
ISOMETRIC VIEW
A
A
A
A
A
A
A
A
A
A
TRUSS SPANS
ELEVATION VIEWS FOR
E E21
DIST.
END
MIN.
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
STEEL PIPE (TYP.)
5"½ EXTRA-STRONG
C
DETAIL A
DETAIL A
DETAIL A
DETAIL A
DETAIL B
FRONT-FACE DIAGONAL
INTERIOR DIAGONAL
BACK-FACE DIAGONAL
3"½ STANDARD STEEL PIPE (TYP.)
3"½ STANDARD STEEL PIPE (TYP.)
3"½ STANDARD STEEL PIPE (TYP.)
3"½ STANDARD STEEL PIPE (TYP.)
3"½ STANDARD STEEL PIPE (TYP.)
HSS`14.000`x`0.500
STEEL PIPE
5" ½ EXTRA-STRONG
PART TOP VIEW
DETAIL C
INTERIOR DIAGONAL
DIAGONAL
BOTTOM-FACE
DIAGONAL
TOP-FACE
STEEL PIPE (TYP.)
3"½ STANDARD
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
14'-9
14'-9
14'-9
14'-9
14'-9
14'-9
14'-9
14'-9
14'-9
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
12'-0
12'-0
12'-0
12'-0
12'-0
80'
85'
90'
95'
80'
80'
85'
85'
85'
85'
90'
90'
90'
90'
95'
95'
95'
95'
100'
100'
100'
100'
100'
100'
950`S.F.
950`S.F.
950`S.F.
950`S.F.
950`S.F.
900`S.F.
15'-0
17'-5
20'-0
22'-5
25'-0
8'-0
10'-6
15'-6
5'-6
13'-0
18'-0
5'-0
8'-0
10'-6
30'-0
38'-0
44'-0
50'-0
56'-0
13'-0
25'-0
34'-0
41'-0
14'-0
DETAIL A
DETAIL B
DETAIL B
DETAIL B
1 2 100'
100'
DETAIL B
80'-100' SPANS
SIGN TRUSS
STEEL OVERHEAD
SIGN AREA FOR
SIGN TRUSS
STEEL OVERHEAD
SIGN AREA FOR
GUSSET PLATES NOT SHOWN
PART ELEVATION VIEWS
CHORD SPLICE
AL
L
TR
US
SE
S
VALUES REVERSED).
MIRRORED (E AND E
SIGN OFFSET MAY BE
OFFSET
OFFSET
DETAIL A
SIMILAR TO
BACK FACE AND BOTTOM FACE.
DIAGONALS ARE SHOWN DASHED TOWARDS THE
THE FRONT FACE AND TOP FACE. INTERIOR
INTERIOR DIAGONALS ARE SHOWN SOLID NEAR
DIAGONALS ARE SHOWN WITH DASHED LINES.
BACK-FACE DIAGONALS AND BOTTOM-FACE
INTERIOR DIAGONALS HAVE SAME ORIENTATION AT CHORD SPLICE LOCATIONS
07-17
SEE STANDARD SHEET SOST-08-11 FOR SECTION A-A AND DETAILS A, B AND C.
INTERIOR DIAGONALS SHOWN IN RED FOR CLARITY
ST
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S.D
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THIS
SH
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LL
OU
T "SI
MIL
AR
TO
DE
TAIL
A" (
WA
S "D
ET
AIL
D" )
TO
CO
NF
OR
M
TO
CH
AN
GE
OF
DE
TAIL
D
ON
SO
ST-08-11.
RE
FE
RE
NC
E
TO
DE
TAIL
D
WA
S
RE
MO
VE
D
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:34 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-04-11 11x17_pdf.pltcfg
4'-35'-05'-0 95'-05'-05'-04'-39
4'-35'-05'-0 95'-05'-05'-04'-39 5'-0
4'-35'-05'-0 95'-05'-05'-04'-39 5'-0
35'-0 40'-0
115'-0 | TO | POSTS
40'-0
40'-0 35'-0
110'-0 | TO | POSTS
35'-0
35'-0 35'-0
105'-0 | TO | POSTS
35'-0
7'-
4
TY
PIC
AL
6'-
0
5'-
0
SOST-04-11105'-115' SPANS
950`S.F.
950`S.F.
950`S.F.
944`S.F.
944`S.F.
944`S.F.
948`S.F.
948`S.F.
948`S.F.
627`S.F.
684`S.F.
608`S.F.
665`S.F.
608`S.F.
646`S.F.
693`S.F.
782`S.F.
679`S.F.
738`S.F.
649`S.F.
723`S.F.
816`S.F.
768`S.F.
720`S.F.
852`S.F.
SPAN
L H A
AREA
SIGN
MAX.
HEIGHT
SIGN
MAX.
ALLOWABLE SIGN AREA
SPAN
L H A
DIST.
END
LEFT
MIN.
DIST.
END
RIGHT
MIN.
AREA
SIGN
MAX.
HEIGHT
SIGN
MAX.
CENTERED
E
L
H
E 1 2
E
A
L
H
EE
A
CENTERED
CAMBER DIAGRAM
L/2
L
105'
110'
115'
2‚
2•
2ƒ
L
SPAN
C
CAMBER
105'
110'
115'
TYPICAL TRUSS UNIT
ISOMETRIC VIEW
A
A
A
A
A
A
TRUSS SPANS
ELEVATION VIEWS FOR
1 2E E
DIST.
END
MIN.
STEEL PIPE (TYP.)
6"½ EXTRA-STRONG
STEEL PIPE (TYP.)
6"½ EXTRA-STRONG
STEEL PIPE (TYP.)
6"½ EXTRA-STRONG
C
FRONT-FACE DIAGONAL
INTERIOR DIAGONAL
BACK-FACE DIAGONAL
105'
110'
115'
105'
110'
115'
105'
110'
115'
105'
105'
110'
110'
115'
115'
105'
105'
110'
110'
115'
115'
105'
110'
115'
115'
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
19'-0
12'-0
12'-0
12'-0
12'-0
12'-0
12'-0
12'-0
14'-9
14'-9
14'-9
14'-9
14'-9
14'-9
14'-9
14'-9
14'-9
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
15'-0
15'-0
15'-0
15'-0
15'-0
15'-0
15'-0
30'-0
23'-0
13'-0
18'-0
62'-0
54'-0
68'-0
60'-0
73'-0
66'-0
48'-0
37'-0
54'-0
45'-0
61'-0
51'-0
27'-0
36'-0
45'-0
29'-0
27'-6
32'-6
20'-6
25'-6
15'-6
HSS`16.000`x`0.500
PART TOP VIEW
DETAIL C
INTERIOR DIAGONAL
DIAGONAL
BOTTOM-FACE
DIAGONAL
TOP-FACE
3"½ EXTRA-STRONG STEEL PIPE (TYP.)
3"½ EXTRA-STRONG STEEL PIPE (TYP.)
DETAIL B
DETAIL B3"½ EXTRA-STRONG STEEL PIPE (TYP.)
DETAIL B
SIGN TRUSS
STEEL OVERHEAD
SIGN AREA FOR
SIGN TRUSS
STEEL OVERHEAD
SIGN AREA FOR
GUSSET PLATES NOT SHOWN
PART ELEVATION VIEWS
CHORD SPLICE
AL
L
TR
US
SE
S
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-04-11 -
THIS
SH
EE
T IS
SU
ED 09-11.
1 2 (E AND E VALUES REVERSED).
SIGN OFFSET MAY BE MIRRORED
OFFSET
OFFSET
SEE STANDARD SHEET SOST-08-11 FOR SECTION A-A AND DETAILS A, B AND C.
BACK FACE AND BOTTOM FACE.
INTERIOR DIAGONALS ARE SHOWN DASHED TOWARDS THE
SHOWN SOLID NEAR THE FRONT FACE AND TOP FACE.
SHOWN WITH DASHED LINES. INTERIOR DIAGONALS ARE
BACK-FACE DIAGONALS AND BOTTOM-FACE DIAGONALS ARE
INTERIOR DIAGONALS HAVE SAME ORIENTATION AT CHORD SPLICE LOCATIONS
DETAIL A
SIMILAR TO
STEEL PIPE
EXTRA-STRONG
6" ½
STEEL PIPE (TYP.)
EXTRA-STRONG
3"½
07-17
IN RED FOR CLARITY
INTERIOR DIAGONALS SHOWN
FR
OM "S
EE
ST
AN
DA
RD
SH
EE
T ...." N
OT
E.
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
HA
NG
ED
CA
LL
OU
T "SI
MIL
AR
TO
DE
TAIL
A" (
WA
S "D
ET
AIL
D" )
TO
CO
NF
OR
M
TO
CH
AN
GE
OF
DE
TAIL
D
ON
SO
ST-08-11.
RE
FE
RE
NC
E
TO
DE
TAIL
D
WA
S
RE
MO
VE
D
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:36 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-05-11 11x17_pdf.pltcfg
4'-35'-05'-0 95'-05'-05'-04'-39 5'-0
9 4'-3 5'-0 5'-0 5'-0 5'-0 4'-3 9
9 4'-3 5'-0 5'-0 5'-0 4'-3 9 9 4'-3 5'-0 5'-0 5'-0 4'-3 9
9 4'-3 5'-0 5'-0 5'-0 4'-3 9
120'-0 | TO | POSTS
40'-040'-040'-0
125'-0 | TO | POSTS
25'-0
130'-0 | TO | POSTS
25'-0
25'-0 25'-0 25'-0 25'-0
25'-0 30'-0 25'-0 25'-0
7'-
4
TY
PIC
AL
6'-
05'-
0
SOST-05-11120'-130' SPANS
SPAN
L H A
120' 19'-0
125' 19'-0
130' 19'-0
120' 14'-9
125' 14'-9
130' 14'-9
120' 12'-0
125' 12'-0
130' 12'-0
120' 19'-0
120' 19'-0
125' 19'-0
125' 19'-0
130' 19'-0
130' 19'-0
120' 14'-9
120' 14'-9
125' 14'-9
125' 14'-9
130' 14'-9
130' 14'-9
120' 12'-0
120' 12'-0
125' 12'-0
125' 12'-0
130' 12'-0
130' 12'-0
L
H
EE
A
CENTERED
AREA
SIGN
MAX.
HEIGHT
SIGN
MAX.
ALLOWABLE SIGN AREA
CENTERED
SPAN
L H A
DIST.
END
LEFT
MIN.
DIST.
END
RIGHT
MIN.
AREA
SIGN
MAX.
HEIGHT
SIGN
MAX.
ALLOWABLE SIGN AREA
CAMBER DIAGRAM
L/2
L
3
3‚
3†
L
SPAN
C
CAMBER
E
TYPICAL TRUSS UNIT
ISOMETRIC VIEW
A
A
A
A
A
A
TRUSS SPANS
ELEVATION VIEWS FOR
1 2E E
DIST.
END
MIN.
STEEL PIPE (TYP.)
6"½ EXTRA-STRONG
STEEL PIPE (TYP.)
6"½ EXTRA-STRONG
STEEL PIPE (TYP.)
6"½ EXTRA-STRONG
C
FRONT-FACE DIAGONAL
INTERIOR DIAGONAL
BACK-FACE DIAGONAL
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
10'-0
20'-0
20'-0
20'-0
20'-0
20'-0
20'-0
20'-0
20'-0
20'-0
950`S.F.
950`S.F.
950`S.F.
944`S.F.
944`S.F.
944`S.F.
948`S.F.
948`S.F.
948`S.F.
589`S.F.
684`S.F.
589`S.F.
665`S.F.
570`S.F.
665`S.F.
634`S.F.
767`S.F.
634`S.F.
738`S.F.
620`S.F.
708`S.F.
708`S.F.
924`S.F.
684`S.F.
852`S.F.
660`S.F.
804`S.F.
37'-6
30'-6
20'-6
25'-6
35'-0
40'-0
28'-0
33'-0
23'-0
79'-0
64'-0
84'-0
70'-0
90'-0
75'-0
67'-0
48'-0
72'-0
55'-0
78'-0
62'-0
51'-0
23'-0
58'-0
34'-0
65'-0
43'-0
HSS`16.000`x`0.500
PART TOP VIEW
DETAIL C
INTERIOR DIAGONAL
DIAGONAL
BOTTOM-FACE
DIAGONAL
TOP-FACE
3"½ EXTRA-STRONG PIPE (TYP.)
3"½ EXTRA-STRONG STEEL PIPE (TYP.)
3"½ EXTRA-STRONG STEEL PIPE (TYP.)
DETAIL B
DETAIL B
DETAIL B
120'
125'
130'
120'
125'
130'
DETAIL A
DETAIL A
DETAIL A
SIGN TRUSS
STEEL OVERHEAD
SIGN AREA FOR
GUSSET PLATES NOT SHOWN
PART ELEVATION VIEWS
CHORD SPLICE
AL
L
TR
US
SE
S
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-05-11 -
THIS
SH
EE
T IS
SU
ED 09-11.
OFFSET
L
E 1 2
E
A
SIGN TRUSS
STEEL OVERHEAD
SIGN AREA FOR
OFFSET
H
(E AND E VALUES REVERSED).
SIGN OFFSET MAY BE MIRRORED
1 ``` 2
DETAIL A
SIMILAR TO
STEEL PIPE (TYP.)
EXTRA-STRONG
3"½
STEEL PIPE
EXTRA-STRONG
6" ½
INTERIOR DIAGONALS HAVE SAME ORIENTATION AT CHORD SPLICE LOCATIONS
SEE STANDARD SHEET SOST-08-11 FOR SECTION A-A AND DETAILS A, B AND C.
BACK FACE AND BOTTOM FACE.
INTERIOR DIAGONALS ARE SHOWN DASHED TOWARDS THE
SHOWN SOLID NEAR THE FRONT FACE AND TOP FACE.
SHOWN WITH DASHED LINES. INTERIOR DIAGONALS ARE
BACK-FACE DIAGONALS AND BOTTOM-FACE DIAGONALS ARE
07-17
IN RED FOR CLARITY
INTERIOR DIAGONALS SHOWN
FR
OM "S
EE
ST
AN
DA
RD
SH
EE
T ...." N
OT
E.
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
HA
NG
ED
CA
LL
OU
T "SI
MIL
AR
TO
DE
TAIL
A" (
WA
S "D
ET
AIL
D" )
TO
CO
NF
OR
M
TO
CH
AN
GE
OF
DE
TAIL
D
ON
SO
ST-08-11.
RE
FE
RE
NC
E
TO
DE
TAIL
D
WA
S
RE
MO
VE
D
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:38 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-06-11 11x17_pdf.pltcfg
| TO | POSTS
1• (M
AX.)
1'-1 1'-1
2'-2
5'-0
1'-
98
24'-
0
1'-
6
4†
1'-8 BOLT CIRCLE
86'-
0
30'-
8
7'-4
1'-2 1'-2
7'-
1ƒ
7'-
1ƒ
7'-
1ƒ
9
2•
5
2•
2
3•
3•
7
2ƒ
2ƒ
4‚
4‚
4•
2‚ 2‚
3 3
2‰
6
8•
2
‚
2‰
R=3
R=2‚
BASE SIDE VIEW SOST-06-11
…
‰
‚`45°
50'-100' SPANS
BASE PLATE PLAN
°5
4
9"½ HOLE
1Ž"½ HOLES
B
B
| POST
*
W.P.
W10`x`45
…" {
HSS`14.000`x`0.500
(TYP.)
STEEL PIPE
EXTRA-STRONG
3"½
DMS ELECTRICAL ACCESS DETAILS
SUPPORT POST BASE AND
END VIEW OF TRUSS SUPPORTS
DETAIL F
DETAIL H
DETAIL G
HOLE ``
| HAND
DETAIL E
~
~~
(FRONT) `
SIDE
SIGN/DMS
~
~
~
OPPOSITE OF TRAFFIC SIDE
SECTION B-B
BASE PLATE
CONDUIT
RODENT GUARD
2
DYNAMIC MESSAGE SIGN AND BE POSITIONED ON SIDE OPPOSITE TRAFFIC.
~ - HAND HOLES SHALL BE LOCATED ONLY IN POSTS THAT ARE CLOSEST TO
TO FILLET WELD.
IN BASE PLATE SHALL BE CLOSER THAN …"
BACKING RING OR HSS POST. NO VENT HOLE
HOLE SHALL BE DRILLED THROUGH THE
IN THE BASE PLATE IF NEEDED. NO VENT
GALVANIZING VENTS SHALL BE LOCATED
…"½ GALVANIZING VENT HOLE.
‚
| HAND HOLE `
1‚
POST
INLETELECTRICAL
PART ELEVATION
*
*
THE TOP OF THE BASE PLATE.
THE RODENT GUARD SHALL NOT EXTEND ABOVE
ERECTION WITH ƒ" STAINLESS STEEL BANDING.
SECURE WIRE CLOTH TO BASE PLATE AFTER
AWG NO. 16 WITH A MINIMUM 2" LAP.
OPENING WITH A MINIMUM WIRE DIAMETER OF
STANDARD GRADE WIRE CLOTH, ‚" MAXIMUM
THE RODENT GUARD IS STAINLESS STEEL
THE BASE PLATE.
THE RODENT GUARD SHALL BE PLACED AROUND
MIN. F `=`42 KSIy
07-17
2"½ THREADED STEEL PIPE INLET COUPLING
AFTER GALVANIZING.
NON-SAG URETHANE CAULK
SEAL WITH LIGHT GRAY
PENETRATION WELD.
A COMPLETE JOINT
MADE CONTINUOUS BY
BE ONE PIECE OR
THE BACKING RING SHALL
WELDED TO THE BASE PLATE.
IS TO BE CONTINUOUSLY
‚"`x`1" BACKING RING
CUT FROM 2" PLATE
FRAME FOR GROUND WIRE
ƒ"½`HEX NUT WELDED TO
‚IN COVER PLATE.
DRILL`‹"½`HOLES
STEEL SCREWS.
FOR`…"½ STAINLESS
DRILL AND`TAP FRAME
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-06-11 -
THIS
SH
EE
T IS
SU
ED 09-11.
TO MATCH PLATE
„"`x`6"`x`0'-8• NEOPRENE GASKET
GALVANIZED STEEL COVER PLATE WITH
{`…"`x`6"`x`0'-8•
(TYP.)
HOLE
‹"½
TOP OF FOUNDATION
LEFT RIGHT
PLATE
2" BASE
( TYP. )
HAND HOLE*
LEVELING NUT
BOTTOM OF
*
*HOLE`` ``
HAND
DETAIL H` *
HOLE``
| HAND
*
*
*
2"½ CONDUIT`````*
1"½ CONDUIT
*
*INLET COUPLINGS
THREADED STEEL PIPE
2" ½
( TYP. )
HAND HOLE*
*
*
*
HOLE````
HAND
DETAIL`B
SIMILAR`TO
DETAIL`C
SIMILAR`TO
FOR DMS TRUSSES ONLY
ALL CONDUIT SHALL BE SCHEDULE 40 PLASTIC.
CONDUIT LOCATION DETAILS.
DMS TRUSS DESIGNS ONLY. SEE STANDARD SHEET SOST-18-11 FOR FOUNDATION
HAND HOLES, CONDUIT, AND PIPE INLET COUPLINGS ARE TO BE INCLUDED ON
HOLES ONLY IN POSTS THAT ARE CLOSEST TO DYNAMIC MESSAGE SIGN.
SUPPORTS UNLESS OTHERWISE INDICATED ON DETAIL PROJECT PLANS. LOCATE
HAND HOLES AND ELECTRICAL INLET HOLES SHALL BE LOCATED IN BOTH TRUSS
PLUGS UNTIL CONDUIT IS INSTALLED.
UPPER HAND HOLE ON POST. COUPLINGS SHALL BE FITTED WITH STANDARD
THREADED STEEL PIPE INLET COUPLINGS ARE TO BE PLACED OPPOSITE TO
F AND G.
SOST-09-11 FOR DETAILS
SEE STANDARD SHEET
~~
DETAIL D
B, C, D AND E.
SOST-08-11 FOR DETAILS
SEE STANDARD SHEET
(TYP.)
NUT
LEVELING
(TYP.)
NUT
TOP
(TYP.)
NUT
JAM
IN POSTS WITH HAND HOLES.
~~ - CONDUIT IS PRESENT ONLY
I
N "B
AS
E
SI
DE
VIE
W" A
DD
ED "J
AM
NU
T" C
AL
LO
UT
S.
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
HA
NG
ED
CA
LL
OU
T "D
ET
AIL
D" (
WA
S "SI
MIL
AR
TO
DE
TAIL
D" )
TO
CO
NF
OR
M
TO
CH
AN
GE
OF
DE
TAIL
D
ON
SO
ST-08-11. A
DD
ED
~~
TO 1" C
ON
DUIT
CA
LL
OU
T.
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:39 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-07-11 11x17_pdf.pltcfg
| TO | POSTS
1• (M
AX.)
1'-2 1'-2
2'-4
2•
2•
5
5'-0
1'-
98
24'-
0
1'-
6
5‰
7'-
27'-
27'-
28
3Š
6'-
0
30'-
8
1'-10 BOLT CIRCLE
1'-2 1'-2
7'-4
9
3•
3•
7
2ƒ
2ƒ
4‚
4‚
4•
2‚ 2‚
3 3
2‰
6
8•
2
‚
2‰
R=3
R=2‚
SOST-07-11105'-130' SPANS
‚
1‚
BASE PLATE PLAN
°5
4
9"½ HOLE
1Ž"½ HOLES
B
B
| POST
| HAND HOLE `
DETAIL H `
BASE SIDE VIEWDMS ELECTRICAL ACCESS DETAILS
SUPPORT POST BASE AND
W.P.
W10`x`45
…" {
HSS`16.000`x`0.500
(TYP.)
STEEL PIPE
EXTRA-STRONG
3•"½
HOLE```
| HAND
END VIEW OF TRUSS SUPPORTS
DETAIL F
DETAIL G
HOLE ```
| HAND
DETAIL E
~
HOLE````
HAND
POST
*~
*~
~
OPPOSITE OF TRAFFIC SIDE
RODENT GUARDBASE PLATE
CONDUIT
SECTION B-B
DYNAMIC MESSAGE SIGN AND BE POSITIONED ON SIDE OPPOSITE TRAFFIC.
~ - HAND HOLES SHALL BE LOCATED ONLY IN POSTS THAT ARE CLOSEST TO
2"½ CONDUIT`````
INLETELECTRICAL
PART ELEVATION
*
*
THE TOP OF THE BASE PLATE.
THE RODENT GUARD SHALL NOT EXTEND ABOVE
ERECTION WITH ƒ" STAINLESS STEEL BANDING.
SECURE WIRE CLOTH TO BASE PLATE AFTER
AWG NO. 16 WITH A MINIMUM 2" LAP.
OPENING WITH A MINIMUM WIRE DIAMETER OF
STANDARD GRADE WIRE CLOTH, ‚" MAXIMUM
THE RODENT GUARD IS STAINLESS STEEL
THE BASE PLATE.
THE RODENT GUARD SHALL BE PLACED AROUND
MIN. F `=`42 KSIy
2
…
‚`45°
‰
07-17
AFTER GALVANIZING.
NON-SAG URETHANE CAULK
SEAL WITH LIGHT GRAY
PENETRATION WELD.
A COMPLETE JOINT
MADE CONTINUOUS BY
BE ONE PIECE OR
THE BACKING RING SHALL
WELDED TO THE BASE PLATE.
IS TO BE CONTINUOUSLY
‚"`x`1" BACKING RING
*DETAIL H
CUT FROM 2" PLATE
FRAME FOR GROUND WIRE
ƒ"½`HEX NUT WELDED TO
‚IN COVER PLATE.
DRILL`‹"½`HOLES
STEEL SCREWS.
FOR`…"½ STAINLESS
DRILL AND`TAP FRAME
TO MATCH PLATE
„"`x`6"`x`0'-8• NEOPRENE GASKET
GALVANIZED STEEL COVER PLATE WITH
{`…"`x`6"`x`0'-8•
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-06-11 -
THIS
SH
EE
T IS
SU
ED 09-11.
(TYP.)
HOLE
‹"½
TOP OF FOUNDATION
PLATE
2" BASE
( TYP. )
HAND HOLE *
LEFT RIGHT
LEVELING NUT
BOTTOM OF
(FRONT)
SIDE
SIGN/DMS
*
*
*
1"½ CONDUIT *~~
*
INLET COUPLINGS
THREADED STEEL PIPE
2" ½
( TYP. )
HAND HOLE *
*
*2"½ THREADED STEEL PIPE INLET COUPLING
*
*
HOLE````
HAND
DETAIL`B
SIMILAR`TO
DETAIL`C
SIMILAR`TO
FOR DMS TRUSSES ONLY
ALL CONDUIT SHALL BE SCHEDULE 40 PLASTIC.
CONDUIT LOCATION DETAILS.
DMS TRUSS DESIGNS ONLY. SEE STANDARD SHEET SOST-18-11 FOR FOUNDATION
HAND HOLES, CONDUIT, AND PIPE INLET COUPLINGS ARE TO BE INCLUDED ON
HOLES ONLY IN POSTS THAT ARE CLOSEST TO DYNAMIC MESSAGE SIGN.
SUPPORTS UNLESS OTHERWISE INDICATED ON DETAIL PROJECT PLANS. LOCATE
HAND HOLES AND ELECTRICAL INLET HOLES SHALL BE LOCATED IN BOTH TRUSS
PLUGS UNTIL CONDUIT IS INSTALLED.
UPPER HAND HOLE ON POST. COUPLINGS SHALL BE FITTED WITH STANDARD
THREADED STEEL PIPE INLET COUPLINGS ARE TO BE PLACED OPPOSITE TO
F AND G.
SOST-09-11 FOR DETAILS
SEE STANDARD SHEET
DETAIL D
B, C, D AND E.
SOST-08-11 FOR DETAILS
SEE STANDARD SHEET
(TYP.)
NUT
TOP
(TYP.)
NUT
JAM
(TYP.)
NUT
LEVELING
*~~
IN POSTS WITH HAND HOLES.
~~ - CONDUIT IS PRESENT ONLY
TO FILLET WELD.
IN BASE PLATE SHALL BE CLOSER THAN …"
BACKING RING OR HSS POST. NO VENT HOLE
HOLE SHALL BE DRILLED THROUGH THE
IN THE BASE PLATE IF NEEDED. NO VENT
GALVANIZING VENTS SHALL BE LOCATED
…"½ GALVANIZING VENT HOLE.
I
N "B
AS
E
SI
DE
VIE
W" A
DD
ED "J
AM
NU
T" C
AL
LO
UT
S.
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
HA
NG
ED
CA
LL
OU
T "D
ET
AIL
D" (
WA
S "SI
MIL
AR
TO
DE
TAIL
D" )
TO
CO
NF
OR
M
TO
CH
AN
GE
OF
DE
TAIL
D
ON
SO
ST-08-11. A
DD
ED
~~
TO 1" C
ON
DUIT
CA
LL
OU
T.
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
Š
6/28/2017 5:53:41 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-08-11 11x17_pdf.pltcfg
6'-
0
5'-0
10 MIN. (TYP.)
• (T
YP.)
• (T
YP.)
(TYP.)
4•
M̀IN.
(TY
P.)
4•
M̀I
N.
(TYP.)
4•
M̀IN.
MIN.
3
2*
2*
4•
M̀I
N.
…
ŠŠ
2*
(TYP.)
4•
MIN.
• (T
YP.)
5 MIN. WELD LENGTH
6 MIN. WITH
2
1'-
3
• (T
YP.)
7
MIN.
WIT
H
6
MIN.
WELD
1"
2
2
1'-
0
1'-
0ƒ
22•
SOST-08-11CONNECTIONS
GUSSET PLATE
SECTION A-A
1"½`HOLE (TYP.)
STEEL PIPE
EXTRA-STRONG
5"½
STEEL PIPE
EXTRA-STRONG
6"½
STEEL PIPE
EXTRA-STRONG
3"½
STEEL PIPE
STANDARD
3"½
DIAGONALS)
WITH FRONT-FACE
(ALTERNATE DIRECTION
BACK-FACE DIAGONALSFRONT-FACE DIAGONALS
DIAGONALS)
WITH TOP-FACE
(ALTERNATE DIRECTION
BOTTOM-FACE DIAGONALS
TOP-FACE DIAGONALS
SPAN
105'-130'
TRUSS PIPE DETAILS
DIAGONALS
TRUSS
CHORDS
TRUSS
50'-100'
| CHORD
| CHORD
| CHORD
Š
ŠCHORD SPLICE
| STRUT
| DIAGONAL
TYP.Š
TYP.Š
TYP.Š
…" GUSSET PLATE
~
~
~
~ ~~
TRUSS CHORD
Š
Š
Š
…" GUSSET PLATE
DETAIL A
DETAIL C
DETAIL B
STEEL PIPE ~~
IN ANOTHER PLANE.
THIS DIAGONAL IS
PANEL POINTS)
AT SUCCESSIVE
(ALTERNATE DIRECTION
INTERIOR DIAGONALS
STEEL PIPE
50'-130' SPANS
1"½ HOLE
Š
SLOTTED PIPE ENDS
‹" SLOT
Š
Š
TYPICAL FOR STRUTS AND DIAGONALS
AND DIAGONALS)
PIPE (STRUTS
3•
`* THIS DIMENSION MAY BE REDUCED BY ‰".
50'-
100'
SP
AN
S
105'-
130'
SP
AN
S
Š
TYP.Š
…" GUSSET PLATE
Š
DETAIL D
| POST
Š
WORKING POINT
DETAIL E
| POST
LENGT
H
TYP.Š
Š
(TYP.)
STEEL PIPE
3"½ STANDARD
„" NEOPRENE PAD
| TRUSS CHORD
SADDLE ASSEMBLY
TRUSS SUPPORT POST
2•
**†" GUSSET PLATE`
***
**
***
ONLY).
PLATE (DETAIL E LOCATIONS
USE •" SLOT AT †" GUSSET
FOR OTHER DETAILS.
DIFFERS FROM THAT SHOWN
GUSSET PLATE THICKNESS
(TYP.)
STEEL PIPE
(TYP.)
STEEL PIPE
SIMILAR TO DETAILS B AND C AND LOCATIONS OF DETAILS D AND E.
SEE STANDARD SHEETS SOST-06-11 AND SOST-07-11 FOR LOCATIONS OF DETAILS THAT ARE
~~
07-17
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-08-11 -
THIS
SH
EE
T IS
SU
ED 09-11.
PLATE
GUSSET
PIPE
STEEL
ARE SIMILAR.
CONNECTIONS AT BOTTOM CHORDS
CONNECTIONS AT TOP CHORDS.
DETAILS A, B AND C SHOW
OF SECTION A-A; DETAILS A, B AND C; AND DETAIL SIMILAR TO DETAIL A.
SEE STANDARD SHEETS SOST-02-11, SOST-03-11, SOST-04-11 AND SOST-05-11 FOR LOCATIONS
PLATE
…" GUSSET
DIAGONAL
| INTERIOR
IN
TE
RI
OR
DI
AG
ON
ALS
VE
RTIC
AL S
TR
UT
S
HO
RIZ
ON
TA
L
AN
D
GU
SS
ET
LE
NG
TH
AS 1'-
3
AN
D
EX
PLICIT
LY
DI
ME
NSI
ONI
NG
VE
RTIC
AL
GA
P
BE
TW
EE
N
TO
P
OF
GU
SS
ET
AN
D
BO
TT
OM
OF
W10
x̀4̀5
BE
AM
AS 1".
WH
ER
E
DI
AG
ON
ALS
AN
D
A
ST
RU
T J
OI
N
A
SU
PP
OR
T
PO
ST. C
HA
NG
ED
DE
TAIL
E
GU
SS
ET
PL
AT
E
CO
NN
EC
TI
ON
BY I
NC
RE
ASI
NG
DI
AG
ON
AL-
TO-P
OS
T
GU
SS
ET
THIC
KN
ES
S
FR
OM
…" T
O †",
EX
PLICIT
LY
DI
ME
NSI
ONI
NG
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
HA
NG
ED
DE
TAIL
C
TO
SH
OW
A 2•" S
PA
CI
NG
BE
TW
EE
N
CH
OR
D
AN
D
EN
D
OF
AL
L I
NT
ERI
OR
DI
AG
ON
ALS. C
HA
NG
ED
DE
TAIL
D
TO
SH
OW
A
UNI
QU
E
GU
SS
ET
CO
NN
EC
TI
ON
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:43 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-09-11 11x17_pdf.pltcfg
9"½
12"½
45°
9 922.5°
R=3“
3
14"½
12‡"½
1"
…
4š
6‹
3“
3“
1†
1†
8
8
1•
1"
3˜2
œ
10…10…
5
6‹
1•
1•5†
8
2
1"
3˜
6‹
5†"½
HO
LE
1•1•
8
1'-2
ƒ
BO
TT
OM
CH
OR
D
TO
P
CH
OR
D
R=2Ž
6‹
• •
1Ÿ 1Ÿ
10•
‚1"3‚
4•"½
5Œ"½
‚1"
6
2•2•
89 4•"½
5Œ"½
S0ST-09-11CHORD SPLICE DETAILS
TRUSS SUPPORT AND
50'-100' SPANS
| POST
Š
„
W10`x`45
1• 1•
…
AFTER
FINISHING
CIRCLE
BOLT
CHORD SPLICE
…
VIEW D-D
VIEW E-E
| POST
{ ‚"`x`5Œ"½
REMOVABLE END CAP
TOP CHORD
1" x 12 GAUGE
{ …"`x`14"½
POST TOP DETAIL
| POSTTRUSS SUPPORT POST
HSS 14.000 x 0.5000| TRUSS SUPPORT
NOT SHOWN FOR CLARITY
SOME HIDDEN LINES VIEW C-C
PAD
„" NEOPRENE
Š
DETAIL G
DETAIL F
SADDLE SIDE VIEWSADDLE PLAN VIEWSADDLE END VIEW
C
D
C
D
E
E
STEEL PIPE
STRONG
5"½`EXTRA-
BOTTOM CHORD
7•
1'-
11•
TOP CHORD
07-17
(TYP.)
‡"½ HOLE
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-09-11 -
THIS
SH
EE
T IS
SU
ED 09-11.
(TYP.)
•"½ HOLE
„" NEOPRENE PAD
(TYP.)
IN W10`X`45
‡"½ HOLE
(TYP.)
SLOT IN POST
Ž"`x`1•" VERTICAL
IN PLATE (TYP.)
Ž"½ HOLE
{ …"`x`14"½
{ ‚"`x`3‚"`x`0'-10•
STIFFENER PLATE
{ ‚"`x`3Ž"
5†"½ HOLE
WITH CONCENTRIC
FLANGE PLATE
{ 1•"`x`12"½
TURN-OF-NUT METHOD.
AND EACH NUT. TENSION GALVANIZED STEEL FASTENERS BY
TRUSS SPLICE. PROVIDE A WASHER UNDER EACH BOLT HEAD
(TYP). 32 BOLTS, 64 WASHERS, AND 32 NUTS REQUIRED PER
‡"½`x`4ƒ" A325 GALVANIZED BOLT WITH WASHERS AND NUT
ƒ"½`U-BOLT
ƒ"½`U-BOLT
ƒ"½`U-BOLT
ƒ"½`U-BOLT
WASHER
NUT
JAM NUT
U-BOLT DETAIL
90 A
SOCKET HEAD SET SCREWS,
‚"½ STAINLESS STEEL
DRILL AND TAP FOR FOUR
STEEL PIPE
5"½ EXTRA-STRONG
SEE STANDARD SHEET SOST-06-11 FOR LOCATIONS OF DETAILS F AND G.
TO CHORD MEMBERS.
FINISHING, THEN WELD FLANGE PLATES
SECURE PROPER ALIGNMENT AFTER
END CAP
{ ‚"`x`5Œ"½
1" x 12 GAUGE
„
{ ‚"
END CAP
{ ‚"`x`5Œ"½
1" x 12 GAUGE
„
Š
| POST
Š
Š
„" NEOPRENE PAD
‰
‰
TO`ENSURE`COMPLETE`CONTACT.
IF`NECESSARY,`PLANE`ABUTTING`FACES
END CAP
REMOVABLE
END CAP
REMOVABLE
90° APART.
SOCKET HEAD SET SCREWS,
‚"½ STAINLESS STEEL
DRILL AND TAP FOR FOUR
90° APART.
SOCKET HEAD SET SCREWS,
‚"½ STAINLESS STEEL
DRILL AND TAP FOR FOUR
STOP RING
{ •"`x`7"½
BOTTOM (NO WELD)
TIGHT FIT TOP AND
STIFFENER PLATE
{ ‚"`x`3Ž"
STEEL PIPE
5"½ EXTRA-STRONG
(STEEL)
SADDLE ASSEMBLY
(TYP.)
CLIP 1"
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
OR
RE
CT
ED
DE
PIC
TI
ON
S
OF
VIE
WS
D-
D
AN
D
E-
E
TO
PR
OP
ER
LY
COI
NCI
DE
WIT
H
DE
TAILS
F
AN
D
G.
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:44 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-10-11 11x17_pdf.pltcfg
10"½
13"½
45°
9 922.5°16"½
14‡"½
1"
…
‚1"
6
5‰
7•
3ƒ
3ƒ
1†
1†
2•2•
8
6•"½
HO
LE
8
6†"½
89 5†"½
R=3ƒ
3
8
2
1"
4ˆ 1•1•
BO
TT
OM
CH
OR
D
TO
P
CH
OR
D
8
1•
10•
5
7•
1•
1•6ƒ
1'-2
7•
• •
1• 1•
7•
1"
4ˆ3Š
10•
ƒ
R=3…
10•
‚1"3‚
5†"½
6†"½
S0ST-10-11
| POST
Š
„
END CAPW10`x`45
1• 1•
…
AFTER
FINISHING
CIRCLE
BOLT
CHORD SPLICE
CHORD SPLICE DETAILS
TRUSS SUPPORT AND
…
VIEW D-D
VIEW E-E
| POST
6†"½`x`‚" {
REMOVABLE END CAP
TOP CHORD
STEEL PIPE
6"½ EXTRA-STRONG
1" x 12 GAUGE
{ …"`x`16"½
{ …"`x`16"½
POST TOP DETAIL
| POST
{ ‚"`x`6†"½
1" x 12 GAUGE
„
90 A
SOCKET HEAD SET SCREWS,
‚"½ STAINLESS STEEL
DRILL AND TAP FOR FOUR
TRUSS SUPPORT POST
HSS 16.000 x 0.5000| TRUSS SUPPORT
NOT SHOWN FOR CLARITY
SOME HIDDEN LINES
Š
| POST
Š
Š
„" NEOPRENE PAD
VIEW C-C
STEEL PIPE
STRONG
6"½`EXTRA-
DETAIL G
DETAIL FD
E
E
C
D
C
SADDLE END VIEW
8
2'-
0•
SADDLE PLAN VIEW
BOTTOM CHORD
TOP CHORD
07-17
(TYP.)
‡"½ HOLE
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-10-11 -
THIS
SH
EE
T IS
SU
ED 09-11.
105'-130' SPANS
(TYP.)
•"½ HOLE
„" NEOPRENE PAD
(TYP.)
SLOT IN POST
Ž"`x`1•" VERTICAL
IN PLATE (TYP.)
Ž"½ HOLE
{ ‚"`x`3‚"`x`0'-10•
6ƒ"½ HOLE
WITH CONCENTRIC
FLANGE PLATE
{ 1•"`x`13"½
ƒ"½`U-BOLT
ƒ"½`U-BOLT
ƒ"½`U-BOLT
U-BOLT DETAIL
WASHER
NUT
JAM NUT
(TYP.)
IN W10`X`45
‡"½ HOLE
STIFFENER PLATE
{ ‚"`x`3Ž"
TURN-OF-NUT METHOD.
AND EACH NUT. TENSION GALVANIZED STEEL FASTENERS BY
TRUSS SPLICE. PROVIDE A WASHER UNDER EACH BOLT HEAD
(TYP). 32 BOLTS, 64 WASHERS, AND 32 NUTS REQUIRED PER
‡"½`x`4ƒ" A325 GALVANIZED BOLT WITH WASHERS AND NUT
Š
PAD
„" NEOPRENE
SADDLE SIDE VIEW
ƒ"½`U-BOLT
SEE STANDARD SHEET SOST-07-11 FOR LOCATIONS OF DETAILS F AND G.
END CAP
{ ‚"`x`6†"½
1" x 12 GAUGE
„
{ ‚"
TO CHORD MEMBERS.
FINISHING, THEN WELD FLANGE PLATES
SECURE PROPER ALIGNMENT AFTER
TO`ENSURE`COMPLETE`CONTACT.
IF`NECESSARY,`PLANE`ABUTTING`FACES
END CAP
REMOVABLE
90° APART.
SOCKET HEAD SET SCREWS,
‚"½ STAINLESS STEEL
DRILL AND TAP FOR FOUR
90° APART.
SOCKET HEAD SET SCREWS,
‚"½ STAINLESS STEEL
DRILL AND TAP FOR FOUR
END CAP
REMOVABLE
(STEEL)
SADDLE`ASSEMBLY
STEEL PIPE
6"½ EXTRA-STRONG
BOTTOM (NO WELD)
TIGHT FIT TOP AND
STIFFENER PLATE
{ ‚"`x`3Ž"
STOP RING
{ •"`x`8"½‰
‰
(TYP.)
CLIP 1"
TO 3
…" (W
AS 3•").
CH
AN
GE
D
SA
DD
LE
PL
AN
VIE
W
DI
ME
NSI
ON 6ƒ" (
WA
S 6•").
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
OR
RE
CT
ED
DE
PIC
TI
ON
S
OF
VIE
WS
D-
D
AN
D
E-
E
TO
PR
OP
ER
LY
COI
NCI
DE
WIT
H
DE
TAILS
F
AN
D
G. D
EC
RE
AS
ED
RA
DI
US
OF
SA
DD
LE
CU
TO
UT
FO
R
TR
US
S
CH
OR
D
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:46 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-11-11 11x17_pdf.pltcfg
1ƒ
5'-0 MAX. SPACING 5'-0 MAX. SPACING 5'-0 MAX. SPACING
2• 7ƒ
1"
8•7•2ƒ
1ƒ
1ƒ
1"
96'-
7
MA
X.
0'-
5
MI
N.
6'-
7
MA
X.
S
3
D
D
2'-6
0'-
5
MI
N.
10‚
1"
17'-
6
MI
N.
50'-130' SPANS
SIGN ATTACHMENT DETAILS SOST-11-11
|-|
CH
OR
DS
| CHORDS
6'-
0
PART ELEVATION
| BOTTOM CHORD
PANEL POINTS
PART PLAN
2'-6
(TYP.)
MAX.
ADDITIONAL SIGN
5'-0 |-| CHORDS
TYPICAL SIGN PANEL SECTION
x`1'-6
L`3`x`3`x`…`
INTERIOR DIAGONAL
TRUSS CHORD
SR
6
5•
`105' - 130' 3ƒ
3“`50' - 100'
D
7•
6‹
SPAN
TYPICAL SIGN
L`3`x`3`x`…`x`1'-6
SUPPORT POST
| TRUSS
R
ADDITIONAL SIGN
REQUIRED TO ACCOMMODATE
LONGER SIGN SUPPORT ANGLES
FACE OF SIGN PANEL
5"½ EXTRA-STRONG STEEL PIPE
6"½ EXTRA-STRONG STEEL PIPE
***
L`6`x`3•`x`•
OR
L`5`x`3`x`…
DIAGONAL
INTERIOR
***
SUCCESSIVE SUPPORTS.
OF ANGLE LEG AT
ALTERNATE DIRECTION
SIGN PANEL**
F F
SECTION F-F
NUT, AND JAM NUT
BOLT WITH WASHERS,
ƒ"½ A449 GALVANIZED
SIGN SUPPORT ANGLE
07-17
| TOP CHORD
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-11-11 -
THIS
SH
EE
T IS
SU
ED 09-11.
WASHER
NUT
JAM NUT
U-BOLT DETAIL
ƒ"½`U-BOLT
ƒ"½`U-BOLT
ƒ"½`U-BOLT
U-BOLT DIMENSIONS
U-BOLT DIMENSION TABLE
MAX. TYP.
POI
NT
ON
PA
VE
ME
NT
CL
EA
RA
NC
E
TO
HI
GH
***
**
*
DE
PT
H
OF
SI
GN
+ 2" *
TO TRUSS PANEL POINTS AS POSSIBLE.
LOCATE SIGN SUPPORT ANGLES AS CLOSE
OF ANGLE LEG AT SUCCESSIVE SUPPORT LOCATIONS.
SIGN SUPPORT ANGLES. ALTERNATE DIRECTION
SIGN SUPPORT ANGLES
APPROVAL BY THE OFFICE OF BRIDGES AND STRUCTURES.
AND/OR SIGN SUPPORT ANGLE SPACING GREATER THAN 5'-0 REQUIRES
19'-0, SIGN SUPPORT ANGLE CANTILEVER LENGTH GREATER THAN 6'-7
FOR SIGN HEIGHT OF 10'-0 OR LESS. TOTAL SIGN HEIGHT GREATER THAN
USE L`6`x`3•`x`• FOR SIGN HEIGHT OVER 10'-0 TO 19'-0 AND L`5`x`3`x`…
VERTICALLY ON TRUSS.
SIGN PANEL WITH GREATEST VERTICAL DIMENSION SHALL BE CENTERED
TO TOP CHORD.
ANGLE LENGTH WILL BE GREATER IF SIGN PANEL DOES NOT EXTEND UP
ANGLE
SUPPORT
SIGN
IN L`3`x`3`x`…
Ž"`x`1ƒ" SLOT
Ž"½ HOLE OR
L3̀
x̀3̀
x̀…̀").
CL
EA
RA
NC
E
FO
R
SI
GN
S
AB
OV
E
HI
GH P
OI
NT
OF
RO
AD
WA
Y
PA
VE
ME
NT. C
HA
NG
ED
SE
CTI
ON
F-F
DI
ME
NSI
ON
S 2ƒ (W
AS 2•), 7• (W
AS 7ƒ), 1
0‚ (W
AS 10), A
ND
AD
DE
D
CA
LL
OU
T (Ž
"½
HO
LE
OR
Ž"̀
x1̀ƒ" S
LO
T I
N
(L5̀
x̀3̀
x̀…̀
OR
L6̀
x̀3̀•
x̀•̀) A
ND
EN
D
OF
HO
RIZ
ON
TA
L
L3̀
x̀3̀
x̀…̀
x̀1̀'-
6
TR
US
S
AT
TA
CH
ME
NT
AN
GL
E
TO
AV
OI
D I
NT
ER
FE
RE
NC
E. A
DD
ED I
NF
OR
MA
TI
ON
PE
RT
AI
NI
NG
TO 17'-
6
MI
NI
MU
M
VE
RTIC
AL
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S
AN
D
CA
LL
OU
TS. I
N "P
AR
T
EL
EV
ATI
ON" D
ET
AIL
AD
DE
D
WO
RD "A
NG
LE
S" T
O "SI
GN
SU
PP
OR
T". I
NC
RE
AS
ED
GA
P
BE
TW
EE
N
SH
OR
T
LE
G
OF
VE
RTIC
AL SI
GN
SU
PP
OR
T
AN
GL
E
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:48 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-12-11 11x17_pdf.pltcfg
OF RUNWAY TO D.M.S.
3" MAX. FROM END
1'-
71'-
73†
1ƒ
3'-
0
1‰
TY
P.
SP
A.
1'-11
X
X 7'-6 MAX. SPACING 7'-6 MAX. SPACING
HANDRAIL IS TO BE USED FULL LENGTH OF RUNWAY
W
7
1'-
2
3'-
6
MI
N.
2
MA
X.
1"
MI
N.
2'-
6
MA
X.
1'-
6
MI
N.
RUNWAY GRATING CONTINUOUS OVER NOT MORE THAN TWO SPANS
OF ROADWAY.
LOCATE GATE OVER SHOULDER
4'-5 AT GATE LOCATION
‡
‡‡ 1ƒ1ƒ1ƒ ‡ 1ƒ ‡ 7
10
| BOTTOM CHORD
PANEL POINTS
PART ELEVATION
TYP.
RUNWAY SUPPORTS
(HANDRAIL NOT SHOWN)
‰
TYP.
EVERY THIRD BAR„
„
1ƒ`x`‰
BEARING BARS
BARS.
OR WELDED TO BEARING
BE PRESSURE LOCKED
CROSS BARS ARE TO
APPROVED EQUAL.
•`x`‰`CROSS BARS OR
SECTION J-JSECTION G-G
‰
TYP.
SECTION H-H
VIEW K-K
K
G G H J J
K
H
L
L
RUNWAY GRATING
GATE
SUPPORT
| OF GATE HINGE
LADDER
LADDER
SOST-12-11DMS RUNWAY DETAILS
50'-130' SPANS
INTERIOR DIAGONAL
INTERIOR DIAGONAL
SIGNMESSAGEDYNAMIC
SIGNMESSAGEDYNAMIC
PART`PLAN
DETAIL J
DETAIL J
(GATE IS LOCATED ONLY ON SIDE FARTHEST FROM TRUSS)
SHOWING HANDRAIL AND GATE DETAILS
0'-5 < X < 1'-6
X`=`RUNWAY OVERHANG
AT OUTSIDE SHOULDER
| TRUSS SUPPORT POST
`105' - 130'
`50' - 100'
SPAN
DIMENSION TABLE
TRUSS SUPPORT POST
HSS 14.000 x 0.500
HSS 16.000 x 0.500
W
1'-8•
1'-10‡
POST BASE PLATE DETAILS.
SOST-13-11 FOR HANDRAIL
SEE STANDARD SHEET
@ 4" CENTERS
CROSS BARS
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-12-11 -
THIS
SH
EE
T IS
SU
ED 03-13.
(HANDRAIL NOT SHOWN)
LOOKING IN DIRECTION OF TRAFFIC
L 1•`x`1•`x`‚`x`1ƒ
CLIP ANGLE
STEEL PIPE
2"½ STANDARD
BAR EACH END
1ƒ`x`‰`BANDING
EXTENSION
HANDRAIL
07-17
1ƒ1ƒ1ƒ1ƒ 1ƒ
TYP.
L 1•`x`1•`x`‚`x`1ƒ
CLIP ANGLE
TYP.
L 1•`x`1•`x`‚`x`1ƒ
CLIP ANGLE
W6`x`20 (TYP.)
W6`x`20 (TYP.)
W6`x`20 (TYP.)
W6`x`20 (TYP.)
W6`x`20 (TYP.)
W6`x`20W6`x`20 W6`x`20
SEE STANDARD SHEET SOST-13-11 FOR SECTION L-L.
SEE STANDARD SHEET SOST-15-11 FOR LADDER DETAILS.
REQUIREMENTS OF ASTM A1011 TYPE 2.
CROSS BARS, AND BANDING BARS SHALL COMPLY WITH THE
THE GALVANIZED STEEL BAR GRATING INCLUDING BEARING BAR,
ADJUST CLIP SO GRATING BEARS ON BEAM.
FOR •"½ A325 GALVANIZED BOLT WITH WASHERS, NUT, AND JAM NUT.
DRILL Œ"½ HOLE IN CLIP ANGLE AND Œ" x 1" SLOTTED HOLE IN W6`x`20
X`>`0'-7.
OVERHANG DIMENSION
ONLY IF RUNWAY
HANDRAIL EXTENSION
ON ALL DESIGNS. ADD
WILL NOT BE PRESENT
HANDRAIL EXTENSION
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
OR
RE
CT
ED
DI
ME
NSI
ON I
N "P
AR
T
PL
AN" D
ET
AIL S
HO
WI
NG
DIS
TA
NC
E
FR
OM
FR
EE
EN
D
OF
HO
RIZ
ON
TA
L
W6
x̀2̀0
TO
RU
NW
AY
GR
ATI
NG
TO 10" (W
AS 9ƒ).
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:50 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-13-11 11x17_pdf.pltcfg
6'-
0 |-|
CH
OR
DS
3'-0
6
2
6‰
3
1'-5‚
33
4‚
‚
S
A
8
1" 1"
4
1̀"
1̀"
2'-
6
MA
X.
1'-
6
MI
N.
1̀"
1̀"
B
3
D
2Œ
•
2„
32‡
1‚
1• 1• 1• 1•• •
3 3
7
5•
‚
‚
•
Š Š
Š
1'-5‚
5ƒ
5'-3‚
5ƒ
10
6‰
| CHORDS
DETAIL
TYPICAL STIFFENER
‰
‰
N
N
M
HANDRAIL POST BASE PLATEHANDRAIL POST BASE
END ELEVATION OF
DMS RUNWAY DETAILS
50'-130' SPANS
SOST-13-11
TRUSS CHORD
TRUSS CHORD
SR
`105' - 130' 3ƒ
3“`50' - 100'
D
6‹
SPAN
11•
DIMENSION TABLE
DETAIL K
DETAIL K
5"½ EXTRA-STRONG STEEL PIPE
6"½ EXTRA-STRONG STEEL PIPE 7•
A
2œ
3Š
R
STEEL PIPE
2"½ STANDARD
STEEL PIPE
2"½ STANDARD
SECTION M-M
SECTION N-N
TYPICAL RUNWAY SECTIONSECTION L-L
STEEL PIPE
2"½ STANDARD
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-13-11 -
THIS
SH
EE
T IS
SU
ED 03-13.
B
12
5‚
5ƒ
{`…"`x`4"`x`0'-8
{`…"`x`4"`x`0'-8
{`…"`x`4"`x`0'-8
ƒ"½`U-BOLT
ƒ"½`U-BOLT
ƒ"½`U-BOLT
U-BOLT DETAIL
WASHER
NUT
JAM NUT
U-BOLT DIMENSIONS
‚{`ƒ"`x`7"`x`0'-9‚
{`ƒ"`x`7"`x`0'-9‚
(TYP.)
A325 BOLTS
GALVANIZED
FOR •"½
| Œ"½ HOLES
‰
‰
TYP.
•" CLIP
(TYP.)
Œ"½`HOLENUT, AND JAM NUT
BOLT WITH WASHER,
•"½ A325 GALVANIZED
ON BOTH SIDES
STIFFENERS
‚"`x`2ƒ"
M
07-17
W6`x`20
W6
x̀2̀0
W6`x`20
W6`x`20
SEE STANDARD SHEET SOST-12-11 FOR LOCATION OF SECTION L-L.
ON BOTH SIDES
STIFFENERS
‚"`x`2ƒ"
DI
ME
NSI
ON "B")
TO 5‚ (W
AS 5“
) F
OR 50-100
FT
TR
US
S
SP
AN
S.
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
OR
RE
CT
ED
HO
RIZ
ON
TA
L
W6
x̀2̀0
DE
PT
H
DI
ME
NSI
ON
TO 6
‰(W
AS 6).
CH
AN
GE
D
DM
S
AC
CE
SS
RU
NW
AY
SU
PP
OR
T
BR
AC
KE
T
VE
RTIC
AL
W6
x̀2̀0
EX
TE
NSI
ON (I.E.,
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:52 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-14-11 11x17_pdf.pltcfg
3 1•
2…
3 1•
2…
3 1•
2…
3 1•
2…
66
6
3†
4
3 3 3 33'-5
3 333
33
3'-5
3'-
5
3'-
11
1'-
7
1'-
7
ŠŠ
Š ŠŠ
ŠŠŠ
•
••
•
4'-5
6
3 3
•
MI
N.
1•
•
8
TH
RE
AD
5
| HANDRAIL POST
1ƒ
R=1‰ R=1‰
R=1‰R=1‰
•4
•
3
10•
PART #2
PART #3
PART #1
PART #4
TYP.
GATE DETAIL PLAN
•"½`A36 ROD ‰
‰
‰
‰
‰
‰
TYP.‰
‰
TYP.‰
‰
SLOTTED HOLE
•`x`1Œ LONG
SLOTTED HOLE
•`x`1Œ LONG
Ž"½ HOLE
GATE (CLOSED POSITION)
GATE (OPEN POSITION)
PART #2
PART #2
PART #3
PART #1
PART #1
PART #1
PART #1
PART #2
RUNWAY GRATING
GRATING
RUNWAY
GATE DETAIL ELEVATION
TYP.‰
‰
SHOULDER OF ROADWAY
GATE LOCATED OVER
RUNWAY GRATING
PART #4
PART #2
PART #3
SOST-14-11DMS RUNWAY GATE DETAILS
50'-130' SPANS
STEEL PIPE
2"½ STANDARD
(TYP.)
STEEL PIPE
2"½ STANDARD
(TYP.)
STEEL PIPE
2"½ STANDARD
WASHER
WITH WASHER, NUTS, AND JAM NUT.
A36 GALVANIZED THREADED ROD
†"½ HOLE WITH •"½`x`8"
WITH WASHER, NUTS, AND JAM NUT.
A36 GALVANIZED THREADED ROD
†"½ HOLE WITH •"½`x`8"
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-14-11 -
THIS
SH
EE
T IS
SU
ED 03-13.
DETAIL L
DETAIL M
DETAIL N
{`•" {`•"
{`•" {`•"
SLIDES UP/DOWN
THREADED ROD
SLIDES UP/DOWN
THREADED ROD
STEEL PIPE
2"½ STANDARD
STEEL PIPE
2"½ STANDARD
(GATE OPEN)
DETAIL M
(GATE CLOSED)
DETAIL NDETAIL L
Q Q
P PR R
‰
‰
PART #2
(TYP.)
2•"½`x`‚" TUBE
PART #4
PART #2
BACK RAIL
GATE LATCH WITH GATE OPEN
VIEW Q-Q
VIEW P-PGATE HINGE
GATE
†"½ HOLE
VIEW R-RGATE LATCH WITH GATE CLOSED
GATE
07-17
FRONT OF LATCH
POSITION IN
DENOTES GATE
PHANTOM LINE
OF BOLT.
TO PLATE. ALLOW FOR FREE ROTATION
JAM NUT. DO NOT FULLY TIGHTEN NUT
BOLT, OVERSIZED WASHERS, NUT, AND
Ž"½ HOLE WITH ƒ"½ A325 GALVANIZED
RE
VISI
ON: 07-17 -
CO
RR
EC
TE
D
WE
LD
SIZ
E I
N
VIE
W
Q-
Q
TO
‰" (W
AS ‚")
TO
MA
TC
H
TH
AT
SH
OW
N I
N
OT
HE
R
DE
TAILS.
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:53:54 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-15-11 11x17_pdf.pltcfg
Œ
6
Œ1‚
1‚
3•
2‚ 1‚
• …
2 2
4
2ˆ
2ˆ
7„
3•
327
LA
DD
ER
RU
NG
S (1"½
RO
DS)̀
SP
AC
ED
@ 1'-
0
= 26'-
06
3'-
03'-
0
3'-
37'-
0
27'-
3
3'-
6
SE
CU
RIT
Y
DO
OR
HA
SP
7'-
0
9
3
3„
1'-4
3•
5‡
ƒ
C
4Ž
4
…
ƒ
A
B
1'-11
5‰
3•
3†
7'-
0
3'-
6
MI
N.
3'-
0
1'-
5•
•
1‚
1‚22
6
SOST-15-11DMS LADDER DETAILS
50'-130' SPANS
UU
CLAMP ASSEMBLY
‚TYP.
TYP.
ŠŠ
••
•2•
2•
SECTION U-USECTION T-T
‚
SIGN
MESSAGE
DYNAMIC
(TYP.)
CLIP •"
PART PLAN VIEW
PART ELEVATION VIEW
SE
CU
RIT
Y
DO
OR
LA
DD
ER
HI
NG
E
LO
CA
TI
ON
S
S
S
(`TYPICAL`)
LADDER RUNGS
1ˆ"½ HOLES FOR
VIEW S-S
‚
‚
SIGN
MESSAGE
DYNAMIC
|`Ž"½`HOLES
‚
LADDER ELEVATION VIEW
BOTTOM OF LADDER
SECURITY DOOR
SUPPORT POST
BOTTOM OF TRUSS
R
8
7
5„
PROVIDED BY IOWA D.O.T.
LOCK FOR HASP SHALL BE
•
ƒ
45°
TYP.
‚
‚TYP.
TYP.
1"½ ROD
C4`x`5.4
‚
7„
‚
TYP.
A B
`105' - 130'
`50' - 100'
CSPAN
DIMENSION TABLE
TRUSS SUPPORT POST
HSS 14.000 x 0.500
HSS 16.000 x 0.500
R
5Š
T
T
DETAIL P
| BOTTOM CHORD
SP
ACI
NG
HANDRAIL NOT SHOWN
CLAMP ASSEMBLY NOT SHOWN
HANDRAIL NOT SHOWN
POST
SUPPORT
| TRUSS
DETAIL P
4 REQUIRED PER LADDER
7ˆ
‰G
TYP.
‚
‚TYP.
C4`x`5.4
C4`x`5.4
|`Ž"½`HOLES
120 FT-LBS.
TORQUE BOLT TO
NUT, AND JAM NUT.
BOLT WITH WASHER,
ƒ"½ A325 GALVANIZED
{`•"
{`•"
{`•"
{`ƒ"
{`ƒ"
{`•"`x`3•"`x`0'-6
{`•"`x`3•"`x`0'-6
BENT PLATE
{`•"`x`6"`x`0'-11‰
PL
AT
E
BE
NT
(TYP.)
BENT PLATE
x`0'-11‰
{`•"`x`6"
AND NUT
WITH WASHER
GALVANIZED BOLT
ƒ"½ A325
*
PROCESS.
FROM GALVANIZING
COATINGS RESULTING
FOR THICKNESS OF ZINC
CLAMP ASSEMBLY, ALLOW
* WHEN FABRICATING
1"½ ROD. (TYP.)
CHANNEL FOR
1ˆ"½ HOLE IN
RUNGS`)
(`LADDER
1"½ RODS
07-17
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-15-11 -
THIS
SH
EE
T IS
SU
ED 03-13.
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE.
SEE STANDARD SHEET SOST-16-11 FOR SECURITY DOOR DETAILS.
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:54:00 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-16-11 11x17_pdf.pltcfg
2‹
1Œ
1ƒ
4
3'-
0
1••
1•
1‰
4•
3ƒ
•1•
•4
4ƒ
•3‚
••
3
••
•
•
8'-
11
‚
•
•
2'-
10•
1'-
4ƒ
2'-
10•
1ƒ TYP.
1'-1•
2•
53'-
3
5
1•
1'-4
2‚
2•
1•
TY
P.
2‚ TYP.
1'-
4ƒ
42'-
64
2'-
84
2'-
64
1'-2• 1'-2•
1'-
6
9'-
0
1'-
63'-
0
3'-
6
2‚
1"
•
SOST-16-1150'-130' SPANS
DOOR DETAILS
DMS LADDER SECURITY
V V
R=ƒ
R=ƒ
W
W
SECTION W-W
‰
C4`x`5.4
C4`x`5.4
LADDER SIDE OUTSIDE OF SECURITY DOOR
R=‡
TO ‚" RADIUS
ROUND CORNERS
HINGE PART #1 HINGE PART #2
HASP PART #1
HASP PART #2
SECTION V-V
‰
‰
‰
•
‰
‰
‰
ƒ"½ HOLE
ƒ"½ HOLE
HASP PART #1
HASP PART #2
LADDER RUNG
HINGE PART #1
C4`x`5.4
‰" COVER PLATE
HINGE PART #2
PART #1
HASP
PART #1
HASP
HASP PART #2
BACK (`LADDER`) SIDE OF DOOR
SECURITY DOOR ELEV.SECURITY DOOR ELEV.‰" COVER { DETAIL
C4`x`5.4
BOTTOM OF LADDER
FRONT SIDE OF DOOR
C4`x`5.4
C4`x`5.4
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-16-11 -
THIS
SH
EE
T IS
SU
ED 03-13.
‰
‰
‰
G
TYP.
PLATE
‰" COVER
‰" COVER PLATEƒ"½ HOLE
07-17
‰" COVER PLATE
#2
PART
HINGE
ROTATION OF THE HINGE.
PLATE TO ALLOW FOR FREE
FULLY TIGHTEN NUT TO HINGE
NUT, AND JAM NUT. DO NOT
GALVANIZED BOLT WITH WASHER,
ƒ"½ HOLE WITH †"½ A325
#2
PART
HINGE
RE
VISI
ON: 07-17 -
MO
DIFIE
D
FO
RM
AT
TI
NG
OF
CA
LL
OU
TS.
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:54:02 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-17-11 11x17_pdf.pltcfg
1•
MA
X.
9
6 6
66
12'-612'-6
25'-0
1'-
61'-
63'-
6
10'-
0
3'-
6
5'-
05'-
0
BOTTOM 6c1 BARS; 18 SPA. @ 1'-4 = 24'-0
12 S
PA.
@ 0'-
9
= 9'-
0
TO
P 6c3
BA
RS
1'-3 1'-3
25'-0
1'-51'-5
2'-
04'-
6
=`5'-0
| POSTS
L
3'-8 3'-8
12 S
PA.
@ 0'-
9
= 9'-
0
BO
TT
OM
8c2
BA
RS
TOP 6c1 BARS; 18 SPA. @ 1'-4 = 24'-0
6'-1 6'-1
12'-10
10'-4
6'-4 2'-3 2'-3 6'-4
3'-8
83
OUT-TO-OUT`4d1
2'-6
C-T0-C`8a3`BARS
2'-4
5'-
3
45°
5'-
0•
2•
TH
RE
AD
9•
TH
RE
AD
5
3 2
BOLT CIRCLE
4S̀
PA.@
1̀'-
0=̀
4'-
0
4b1,̀4d1̀
BA
RS;
2'-0 2'-06 64'-4
Y
SOST-17-1150'-130' SPANS
PLAN
SIDE ELEVATION
10
BENT BAR DETAILS
D=2
(SHOP BEND ALL BARS)
1'-
4
D=6
GENERAL NOTES:
SHAPE
NO. SPACING
8 8 21A
NO. LENGTH
1'-0SEE DETAIL
REINFORCING BAR LIST - EPOXY COATED
158
WEIGHT2.78
NOTE: ALL DIMENSIONS SHOWN ARE OUT TO OUT. D = PIN DIAMETER.
D=2
4'-6
1'-7
'L'
1'-
4
'L'
D=6
SEE DETAIL
10
2 B
1'-0
A1'-0
------ --- ---
------ ---
4
Varies
------ ---
------ ---
------ ---
------ ---
A
B
GUARD
RODENT
LEVELING NUT
BOTTOM OF
POST BASE DETAIL
BASE PLATE
LOCATION STATION
4b1 (HORIZ.)
(ALL SIDES)
2 CLEAR
2" CLEAR
*
SEE DETAIL A1'-024 24 647'-2
7'-2 268
459
1490°
MI
N.
LA
P
TO | BAR
1'-
9
R=1'-2ƒ
2'-6
LAYER WHEN PLACING BAR.ROTATE LAP 90° EVERY
9'-11•
10'-6
11'-0•
11'-7•
12'-2
12'-4
2'-
42'-
4
5'-10
4`SPA.`@`1'-3
38
13
13
9'-6
24'-6
24'-6
12'-8
76
34
478
850
542
105
1'-4
0'-9
0'-9
14
2
17'-0 23
37
9'-6 13
TOTAL 158 LBS.
SEE DETAIL
1'-0
8a1
4b2
4b14d1
8a1
8a2
8a3
4b1
4b2
6c1
8c2
6c3
4c4
4d1
LENGTH WEIGHT
9'-6
7'-5
SHOWING THE RODENT GUARD
TABULATED VALUE FOR L = 0 EACH 1'-0 OF LTWO`IN`EACH`1'-0`OF L.
DETAIL Q
4d1
2'-6½ CIRCLE
EQ. SPA. IN
8a3 BARS (12)8a2 (VERT.)
6c1
4b1
8a1
6c1
4b2
8a18a2 4c4
6c3
8c2
DETAIL Q
12**
4d1
ANCHOR BOLT ASSEMBLIES NOT SHOWN
ANCHOR BOLT ASSEMBLIES NOT SHOWN
KEYWAY NOT SHOWN
LAYER ONLY
BUNDLED IN TOP
TWO 4d1 TIES
8a2, 8a3
8a1
8c2, 6c3
B
| ANCHOR BOLTS
ANCHOR BOLTS
4d1
4b1
8a1
8a3
8a1
PLACEMENT
ANCHOR BOLT AND ANCHOR REINFORCING
ANCHOR BOLT ASSEMBLY
FOUNDATION
TOP OF
SPA.
8a1 & 8a2
| SIGN TRUSS FOUNDATION
(TYP.)
1†"½ HOLE
*`L SHALL NOT EXCEED 6'-0
GROUND LIN
E
END ELEVATION
SHOULDER
EDGE OF
4'-
6
CONCRETE`PLACEMENT`QUANTITIES
3'-6 3'-63'-0
10'-0
4'-
0
MI
N.
LI
NE
TO
GR
OU
ND
9
EACH 1'-0 OF L
ANCHOR BOLTS
10'-0
END ELEVATION
4c4
3'-63'-0
ANCHOR BOLTS
8a14b1
4b2
8a1, 8a2
REINFORCING - 8a3 NOT SHOWN
DIRECTED BY THE ENGINEER.
ELEVATION AS HIGH POINT ON ROADWAY OR AS
TOP-OF-WALL ELEVATION IS TO BE SET AT SAME
ITEM
WALL
FOOTING
TOTAL (C.Y. )
5.71
18.52
24.23
1.41
1.41
---
L = 0
8c2
6c3
3'-6
6c1
(50'-100' SPANS)
FOR 14"½ POSTS
(105'-130' SPANS)
FOR 16"½ POSTS
R
7
8
1'-8
1'-10
DIAMETER
CIRCLE
BOLT
4d1
07-17
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-17-11 -
THIS
SH
EE
T IS
SU
ED 09-11.
REQUIRED)
(NO GALVANIZING
‚" TEMPLATE
{ ƒ"
(GALVANIZED)
ANCHOR BOLT
1•"½
R
GALVANIZED STEEL
NUTS AND WASHERS
FOUNDATION DETAILSNON-STAGED
SOST-18-11 FOR CONDUIT LOCATION DETAILS.
TRUSSES WITH DYNAMIC MESSAGE SIGNS. SEE STANDARD SHEET
ELECTRICAL CONDUIT IS REQUIRED IN FOUNDATIONS SUPPORTING
FOR DMS TRUSSES ONLY
TOTAL 2970 LBS.
1'-4 MIN. LAP KEYWAYS
KEYWAY
DISCONTINUOUS
BEVELED 2`x`8
C
C
NOT EXTEND ABOVE THE TOP OF THE BASE PLATE.
ƒ" STAINLESS STEEL BANDING. THE RODENT GUARD SHALL
SECURE WIRE CLOTH TO BASE PLATE AFTER ERECTION WITH
DIAMETER OF AWG NO. 16 WITH A MINIMUM 2" LAP.
WIRE CLOTH, ‚" MAXIMUM OPENING WITH A MINIMUM WIRE
THE RODENT GUARD IS STAINLESS STEEL STANDARD GRADE
PLATE.
THE RODENT GUARD SHALL BE PLACED AROUND THE BASE
ONE FOUNDATION
C
WALL 2"<Y<1'-0.
AT BOTTOM OF STEM
REMAINDER SPACING
VALUES OF L, WITH
1'-0 SPACING FOR ALL
MAINTAIN UNIFORM
2" CLEAR
AND 8a3 FOR L > 0.
TO BARS 8a1, 8a2,
ADDITIONAL LENGTH
TOP LAYER.
CIRCULAR TIES IN
** BUNDLE TWO 4d1
2"`<`Y`<`1'-0
CLEAR2"
CLEAR3"
ONE FOUNDATION
BAR
EXCAVATION - CUBIC YARDS OF CLASS SPECIFIED
STRUCTURAL CONCRETE (MISCELLANEOUS) - CUBIC YARDS
REINFORCING STEEL, EPOXY COATED - POUNDS
OVERHEAD SIGN TRUSS FOUNDATION CONSTRUCTION ARE:
THE UNIT PRICE BID FOR STRUCTURAL CONCRETE. CONTRACT ITEMS FOR
BOLT ASSEMBLIES, CONDUIT, AND RODENT GUARDS ARE TO BE INCLUDED IN
AS DETAILED HEREON. THE COST OF FURNISHING AND INSTALLING ANCHOR
MATERIALS NECESSARY TO CONSTRUCT OVERHEAD SIGN TRUSS FOUNDATION
PRICE BID FOR CONTRACT ITEMS SHALL INCLUDE ALL LABOR AND
WITH ARTICLE 4187.01,`C,`3 OF THE STANDARD SPECIFICATIONS.
ALL ANCHOR BOLT MATERIALS AND GALVANIZING SHALL BE IN ACCORDANCE
FOUNDATION.
NUTS (5 PER BOLT) AND WASHERS (2 PER BOLT) ARE REQUIRED PER
TWO ANCHOR BOLT ASSEMBLIES INCLUDING ANCHOR PLATES, TEMPLATES,
SURCHARGE DEPTH OF 6'-0.)
TON`/`FT¢. (FOUNDATION DESIGN IS BASED ON A MAXIMUM SOIL
ON A NET ALLOWABLE SOIL BEARING PRESSURE (FOR SETTLEMENT) OF 1.0
DIRECTED BY THE ENGINEER. THE FOUNDATION DETAILS SHOWN ARE BASED
FOUNDATION AND SHAPED TO NORMAL GROUND CONTOUR, UNLESS OTHERWISE
FOR THE FOUNDATION SHALL BE DISPOSED IN THE AREA ADJACENT TO THE
SHALL BE PLACED AGAINST THE UNDISTURBED MATERIAL. ALL EXCAVATION
EXCAVATION FOR THE FOUNDATION SHALL BE TO NEAT LINES AND CONCRETE
STRUCTURAL CONCRETE, CLASS C, SHALL BE USED FOR THE FOUNDATION.
"R
EI
NF
OR
CI
NG
BA
R
LIS
T" TIT
LE
D "B
AR"
WA
S
TIT
LE
D "SIZ
E". A
NC
HO
R
BO
LT
MA
T'L
NO
TE "A
RTIC
LE 4187.0
1,̀
C,̀3
OF
TH
E
ST
AN
DA
RD
SP
ECIFIC
ATI
ON
S" (W
AS "R
EQ
UIR
EM
EN
TS
OF I.D.O.T.
MA
T'L I.M. 453.0
8).
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. N
OT
E "F
OU
ND
ATI
ON
DE
TAILS
SH
OW
N ........ N
ET
AL
LO
WA
BL
E
SOIL
BE
ARI
NG
PR
ES
SU
RE (F
OR
SE
TT
LE
ME
NT)" (W
AS "
MA
XI
MU
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GN
BE
ARI
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CA
PA
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CO
LU
MN I
N
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:54:04 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-18-11 11x17_pdf.pltcfg
25'-0
12'-612'-6
25'-0
1'-
61'-
6
| POSTS
3'-8 3'-8
MIN.
1'-0
10'-4
MI
N.
1'-
0
MI
N.
1'-
0
1'-
0
3'-8
1'-
4
MA
X.
1'-
0
MI
N.
1'-
4
MA
X.
1'-
0
MI
N.
1'-
4
MA
X.
1'-
0
MI
N.
5'-
05'-
0
10'-
0
3'-
63'-
6
12'-10
6'-1 6'-11'-3 1'-3
SOST-18-1150'-130' SPANS
SIDE ELEVATION
GENERAL NOTES:
GROUND LIN
E
END ELEVATION
SHOULDER
EDGE OF
3'-6 3'-63'-0
10'-0
CONDUIT LOCATION DETAILS
BASE SIDE VIEW
BASE PLATE PLAN
TRAFFIC FLOW
9"½ HOLE
SAME ELEVATION
CONDUIT
CONDUIT
CONDUIT
CONDUIT
ANCHOR BOLT ASSEMBLIES NOT SHOWN
| POST
CONDUIT
IN POSTS WITH HAND HOLES
CONDUIT IS PRESENT ONLY
DETAIL R
ANCHOR BOLTS
THIS SHEET FOR DMS TRUSSES ONLY
| ANCHOR BOLTS
ANCHOR BOLTS
DETAIL R
LOCATION OF CONDUIT WITHIN ANCHOR BOLT CIRCLE
CONDUIT
ANCHOR BOLT ASSEMBLIES AND SELECTED REINFORCING BARS NOT SHOWN
LOCATED AT OUTSIDE SHOULDER FOR TYPICAL DESIGNS
ANCHOR BOLT ASSEMBLIES AND SELECTED REINFORCING BARS NOT SHOWN
LOCATED AT MEDIAN FOR TYPICAL DESIGNS
REINFORCING BARS NOT SHOWN
1"½ CONDUIT
2"½ CONDUIT
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-18-11 -
THIS
SH
EE
T IS
SU
ED 03-13.
WALL
FOOTING
FOUNDATION PLAN FOR LEFT TRUSS SUPPORT
FOUNDATION PLAN FOR RIGHT TRUSS SUPPORT
| SIGN TRUSS FOUNDATION
40 PLASTIC.
INDICATED ON DETAIL PROJECT PLANS. ALL CONDUIT SHALL BE SCHEDULE
CONDUIT SHALL BE PLACED IN BOTH FOUNDATIONS UNLESS OTHERWISE
1'-0 PAST EDGE OF FOUNDATION FOOTING ON SIDE AWAY FROM ROADWAY.
EXTEND CONDUIT ENDS A MINIMUM OF 1'-0 ABOVE FOUNDATION WALL AND
CIRCLE CLOSEST TO THE DIRECTION OF THE APPROACHING TRAFFIC.
PLACE ONE 1"½ CONDUIT AND TWO 2"½ CONDUITS WITHIN THE ANCHOR BOLT
FOR FOUNDATIONS SUPPORTING TRUSSES WITH DYNAMIC MESSAGE SIGNS,
TRUSSES WITH DYNAMIC MESSAGE SIGNS.
ELECTRICAL CONDUIT IS REQUIRED IN FOUNDATIONS SUPPORTING
STEM WALL PERIMETER REINFORCING BARS NOT SHOWN
NOT ALL ANCHOR BOLTS SHOWN
OPPOSITE OF TRAFFIC SIDE
07-17
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S.
POSTS FOR DMS TRUSS DESIGNS:
SEE THE FOLLOWING STANDARD SHEETS FOR ELECTRICAL ACCESS DETAILS IN SUPPORT
STANDARD SHEET SOST-07-11 FOR 16"½ POSTS (105'-130' TRUSS SPANS)
STANDARD SHEET SOST-06-11 FOR 14"½ POSTS (50'-100' TRUSS SPANS)
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:54:05 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-19-11 11x17_pdf.pltcfg
12'-10
6 6
66
12'-612'-6
25'-0
1'-
61'-
63'-
6
10'-
0
3'-
6
5'-
05'-
0
BOTTOM 6c1 BARS; 18 SPA. @ 1'-4 = 24'-0
12 S
PA.
@ 0'-
9
= 9'-
0
TO
P 6c3
BA
RS
| POSTS
3'-8
83
3'-8 3'-8
12 S
PA.
@ 0'-
9
= 9'-
0
BO
TT
OM
8c2
BA
RS
TOP 6c1 BARS; 18 SPA. @ 1'-4 = 24'-0
OUT-TO-OUT`4d1
2'-6
C-T0-C`8a3`BARS
2'-4
1'-51'-5
2'-
0
=`5'-0
6'-1 6'-1
6'-4 2'-3 6'-4
3'-63'-6
2'-
0
•"̀
PL
YW
OO
D
2'-
0
2'-
0X
ME
DI
AN
PA
VE
ME
NT
D
TO
TO
P
OF
10'-0
2'-
0
10'-0
3'-6 3'-6
2'-
0
H
4'-462'-0 6 2'-0
25'-0
2'-3
ANCHOR
2R`+`6
GENERAL NOTES:
PLAN
LOCATION STATION
4b1 (HORIZ.)
| ANCHOR BOLTS
ANCHOR BOLTS
4d1
4b1
8a1
8a3
8a1
DETAIL S
8a1 (VERT.)6c1
DETAIL S
KEYWAY NOT SHOWN
8a1
8c2, 6c3
(STAGE 2)
2'-6½ 4d1 TIE
EQ. SPA. IN
8a3 BARS (12)
BOLTS
SIDE ELEVATION
3"`CLEAR 4`SPA.`@`1'-3
8a1
6c1
8a1 4c46c3
8c2
SPLICE LOCATION
MECHANICAL
4c4
6c3
8a1 SPA.
8a38a3
ELEV. A
STAGE 2 TOP OF FOUNDATION
| SIGN TRUSS FOUNDATION
ELEV. B
TOP OF PAVEMENT
BOTTOM OF PAVEMENT
BE PLACED DURING STAGE 2.
ONLY. ANCHOR BOLT ASSEMBLIES WILL
ANCHOR BOLTS SHOWN FOR INFORMATION
SPECIAL BACKFILL
SEE PAVING TYPICAL.
PAVEMENT SUBBASE -
D=2
2'-
4
4b1
(SHOP BEND ALL BARS)
6c1
8c2
8a1
END ELEVATION
12'-4
ELEV. C
STAGE 1 BOTTOM OF FOUNDATION
STEM WALLSTAGE 1
FOOTINGSTAGE 1
1'-
9
1'-
4
D=6
TO | BAR
R=1'-2ƒ
2'-6
4d1
8a1, 8a3
SECTION X-X
BENT BAR DETAILS
LOCATION
MECHANICAL SPLICE
90°
MI
N.
LA
P
3'-6ƒ
SHAPE
NO. SPACING NO. LENGTH
SEE DETAIL
REINFORCING BAR LIST - EPOXY COATED
WEIGHT
SEE DETAIL
2
1'-0
4
------ ---
------ ---
------ ---
------ ---
SEE DETAIL24
289
315
22
38
13
13
9'-6
24'-6
24'-6
12'-8 34
478
850
542 1'-4
0'-9
0'-9
22
2
17'-0 23
59
9'-6 13
TOTAL 159 LBS.
SEE DETAIL
1'-0
8a1
8a2*
8a3
8a4*
4b1*
6c1
8c2
6c3
4c4
4d1*
LENGTH WEIGHT
9'-6
EACH 1'-0 OF HTABULATED VALUE FOR H = 5'-0
22 4'-11 289 ---------
4'-11
4'-11 --- --- ---
24 4'-11 315 SEE DETAIL 24 1'-0 64
18 17'-0 204 1'-0
20 127
LAYER WHEN PLACING BAR.
ROTATE LAP 90° EVERY SOST-19-1150'-130' SPANS
STAGE 1 FOUNDATION DETAILS
~
OUT TO OUT. D = PIN DIAMETER.
NOTE: ALL DIMENSIONS SHOWN ARE
STAGE 1.
BY THE ENGINEER DURING
STOCKPILED AS DIRECTED
TRANSPORTED, AND
SHALL BE PROVIDED,
APPLICABLE 4d1 BARS
APPLICABLE 4b1 AND
STAGE 1. 8a2, 8a4,
SHALL BE PLACED AFTER
CONCRETE AND REINFORCING
STAGE 2 FOUNDATION
REINFORCING NOT SHOWN
SHOWING KEYWAYS
ITEM
FOOTING
2.9
QUANTITIESCONCRETE`PLACEMENT
18.5
21.4
ONE FOUNDATION - STAGE 1
C.Y.
TOTAL
WALL (STAGE 1)
TOTAL 3443 LBS.
A
TWO IN EACH 1'-0 OF H.A
A
B
B**
B
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-19-11 -
THIS
SH
EE
T IS
SU
ED 03-13.
BY THE ENGINEER DURING STAGE 2.
THE ENGINEER DURING STAGE 1. OBTAIN, TRANSPORT AND PLACE THESE BARS AS DIRECTED
BUT PLACED IN STAGE 2. PROVIDE, TRANSPORT AND STOCKPILE THESE BARS AS DIRECTED BY
*8a2, 8a4, APPLICABLE 4b1 AND APPLICABLE 4d1 BARS SHALL BE PROVIDED IN STAGE 1,
KEYWAYS
(ALL SIDES)
2 CLEAR
4d1
KEYWAY
DISCONTINUOUS
BEVELED 2`x`8
2"`CLEAR
KEYWAY
DISCONTINUOUS
BEVELED 2`x`8
REINFORCING LOCATION
ANCHOR BOLT AND ANCHOR
SEE SOST-20-11 FOR ANCHOR BOLT ASSEMBLY DETAILS.
MECHANICAL SPLICES CLEAN.
WITH A •" THICK PLYWOOD SHEET TO KEEP CONCRETE SURFACE AND
CONSTRUCTION. THE TOP OF THE STAGE 1 STEM WALL SHALL BE COVERED
BE FLUSH WITH THE TOP OF CONCRETE AT THE END OF STAGE 1
SPLICES SHALL BE SELECTED FROM MATERIALS I.M. 451 APPENDIX E AND
SPLICED TO THE 8a4 BARS USING MECHANICAL SPLICES. MECHANICAL
SHOWN USING MECHANICAL SPLICES. THE 8a3 BARS AND SHALL ALSO BE
THE 8a1 BARS SHALL BE SPLICED TO THE 8a2 BARS AT THE LOCATIONS 4d1
4b1
X
X
ONE FOUNDATION
C
C
C
8a3 BARS AND KEYWAY NOT SHOWN
STEM WALL 2"<Y<1'-0.
BOTTOM OF STAGE 2
REMAINDER SPACING AT
VALUES OF L, WITH
1'-0 SPACING FOR ALL
MAINTAIN UNIFORM
TIES IN TOP LAYER.
** BUNDLE TWO 4d1 CIRCULAR
CLEAR2"
CLEAR2"
MIN. LAP
1'-4
4b1SPLICES (TYP.)
MECHANICAL
07-17
(50'-100' SPANS)
FOR 14"½ POSTS
(105'-130' SPANS)
FOR 16"½ POSTS
R
7
8
1'-8
1'-10
DIAMETER
CIRCLE
BOLT
SEE SOST-20-11 FOR STAGE 2 FOUNDATION DETAILS.BAR
ELEV. A, ELEV. B AND ELEV. C SHALL BE AS SHOWN ELSEWHERE IN THESE PLANS.
X SHALL NOT BE LESS THAN THICKNESS OF PAVEMENT PLUS PLYWOOD.
X = [`ELEV. B - ELEV. C - 4.042 FT.`]
D = [`ELEV. B. - ELEV. C`]
ELEV. C SHOULD BE SET SO THAT [ELEV. A - ELEV. C] IS A MULTIPLE OF 1'-0.
ELEV. C = STAGE 1 BOTTOM OF FOUNDATION ELEVATION
ELEV. B = TOP OF PAVEMENT ELEVATION
ELEV. A = STAGE 2 TOP OF FOUNDATION ELEVATION
EXCAVATION - CUBIC YARDS OF CLASS SPECIFIED
STRUCTURAL CONCRETE (MISCELLANEOUS) - CUBIC YARDS
REINFORCING STEEL, EPOXY COATED - POUNDS
CONTRACT ITEMS FOR OVERHEAD SIGN TRUSS FOUNDATION CONSTRUCTION ARE:
SHALL NOT INTERFERE WITH THE ANCHOR BOLT ASSEMBLY.
THAT THEY ARE IN THE CORRECT LOCATIONS WHEN THE 8a4 BARS ARE PLACED IN STAGE 2. THE 8a4 BARS
`THE CONTRACTOR IS STRONGLY ENCOURAGED TO CONSTRUCT A TEMPLATE FOR THE 8a3 BARS TO ENSURE
PAYMENT WILL BE MADE.
SHALL BE INCLUDED IN THE PRICE BID FOR "STRUCTURAL CONCRETE (MISCELLANEOUS)" AND NO SEPARATE
DESCRIPTION AND GRADATION), AND THE COST OF TRANSPORTATION AND PLACEMENT OF 8a2 AND 8a4 BARS
PLACING AND REMOVING OF SPECIAL BACKFILL (SEE SECTION 4132 OF THE STANDARD SPECIFICATIONS FOR
`THE COST OF FURNISHING AND INSTALLING ANCHOR BOLT ASSEMBLIES AND RODENT GUARDS, THE COST OF
STEEL, EPOXY COATED". A TOTAL OF 46 SPLICES WILL BE REQUIRED.
WEIGHT OF MECHANICAL SPLICE ASSEMBLIES IS NOT INCLUDED IN THE QUANTITY SHOWN FOR "REINFORCING
PRICE BID FOR "REINFORCING STEEL, EPOXY COATED" AND NO SEPARATE PAYMENT WILL BE MADE. THE
ACCOMPANYING SHEET SOST-20-11. `THE COST OF ALL SPLICE ASSEMBLIES IS TO BE INCLUDED IN THE
STAGE 1 AND STAGE 2 OF OVERHEAD SIGN TRUSS FOUNDATION AS DETAILED ON THIS SHEET AND ON
`PRICE BID FOR CONTRACT ITEMS SHALL INCLUDE ALL LABOR AND MATERIALS NECESSARY TO CONSTRUCT
BE EPOXY COATED.
`ALL MECHANICAL SPLICE ASSEMBLIES TO BE USED IN SPLICING 8a1, 8a2, 8a3, AND 8a4 BARS SHALL
ASSEMBLIES.
MECHANICALLY SPLICED TO 8a3 BARS DURING STAGE 2 AND MUST NOT INTERFERE WITH ANCHOR BOLT
`ACCURATE PLACEMENT OF 8a3 BARS SHALL BE CONSIDERED ESSENTIAL. 8a4 BARS WILL BE
(FOR SETTLEMENT) OF 1.0 TON`/`FT¢.
THE ENGINEER. THE FOUNDATION DETAILS SHOWN ARE BASED ON A NET ALLOWABLE SOIL BEARING PRESSURE
THE UNDISTURBED MATERIAL. ALL EXCAVATION FOR THE FOUNDATION SHALL BE DISPOSED AS DIRECTED BY
`EXCAVATION FOR THE FOUNDATION SHALL BE TO NEAT LINES AND CONCRETE SHALL BE PLACED AGAINST
`STRUCTURAL CONCRETE, CLASS C, SHALL BE USED FOR THE FOUNDATION.
~
NOR BE LESS THAN 5'-0
H`-`SHALL NOT EXCEED 8'-6
FOR H > 5'-0.
BARS 8a2 AND 8a4
ADDITIONAL LENGTH TO
TIT
LE
D "B
AR"
WA
S
TIT
LE
D "SIZ
E".
IS
ST
RO
NG
LY
EN
CO
UR
AG
ED....." N
OT
E
CH
AN
GE
D 8a3 (W
AS 8a1)
AN
D 8a4 (W
AS 8a2)
BA
RS
TO
PR
OP
ER
LY I
DE
NTIF
Y
AN
CH
OR
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BA
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CI
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BA
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BO
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CIR
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DI
ME
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ON
FR
OM
1'-
8
TO "2
R+̀
6̀" T
O
AC
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T
FO
R
VA
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LT
CIR
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DE
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UP
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TH. A
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ED
BO
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CIR
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AM
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N "C
ON
TR
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TO
R
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. N
OT
E "F
OU
ND
ATI
ON
DE
TAILS
SH
OW
N ........ N
ET
AL
LO
WA
BL
E
SOIL
BE
ARI
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PR
ES
SU
RE (F
OR
SE
TT
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ME
NT)" (W
AS "
MA
XI
MU
M
DE
SI
GN
BE
ARI
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CA
PA
CIT
Y").
CH
AN
GE
D
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division
6/28/2017 5:54:07 PM bkloss W:\Highway\Bridge\Standards\SignTrusses\SOST-11.dgn SOST-20-11 11x17_pdf.pltcfg
12'-10
5'-
3
45°
5'-
0•
2•
TH
RE
AD
9•
12'-612'-6
25'-0
1'-
61'-
63'-
6
10'-
0
3'-
6
5'-
05'-
0
| POSTS
3'-8
83
TH
RE
AD
5
3 2
3'-8 3'-8
OUT-TO-OUT`4d1
2'-6
C-T0-C`8a4`BARS
2'-4
2'-
0
2'-
0X
ME
DI
AN
PA
VE
ME
NT
D
TO
TO
P
OF
1•
MA
X.
9
H
@ 1'-
0
4b1 B
AR
S1'-
0
BOLT CIRCLE
Y
ANCHOR
2R`+`6
GENERAL NOTES:
PLAN
GALVANIZED STEEL
REQUIRED)
(NO GALVANIZING
‚" TEMPLATE
{ ƒ"
(GALVANIZED)
ANCHOR BOLT
1•"½
LOCATION STATION
4b1 (HORIZ.)
(ALL SIDES)
2 CLEAR
MIN. LAP
1'-4
2" CLEAR
| ANCHOR BOLTS
ANCHOR BOLTS
4d1
4b1
8a2
8a4
8a2
DETAIL T
8a2 (VERT.)
NUTS AND WASHERS
DETAIL T
KEYWAY NOT SHOWN
LOCATION
ANCHOR REINFORCING
ANCHOR BOLT AND
(STAGE 2)
8a2
8a4
2'-6½ 4d1 TIE
EQ. SPA. IN
8a4 BARS (12)
BOLTS
| SIGN TRUSS FOUNDATION
ANCHOR BOLT ASSEMBLY
STRUCTURAL CONCRETE, CLASS C, SHALL BE USED FOR THE FOUNDATION.
4d1
SPLICE LOCATION
MECHANICALELEV. B
TOP OF PAVEMENT
BOTTOM OF PAVEMENT
ELEV. A
STAGE 2 TOP OF FOUNDATION
8a2
4b1
STEM WALL
STAGE 2
ITEM
FOOTING
QUANTITIESCONCRETE`PLACEMENT
MECHANICAL SPLICES NOT SHOWN FOR CLARITY
8a1
END ELEVATION
ELEV. C
STAGE 1 BOTTOM OF FOUNDATION
ONE FOUNDATION - STAGE 2
KEEP THE CONCRETE SURFACE AND MECHANICAL SPLICES CLEAN.
TEMPORARILY COVERED WITH A •" THICK PLYWOOD SHEET TO
TOP OF THE STAGE 1 FOUNDATION STEM WALL WILL BE
BE FLUSH WITH THE TOP OF THE STAGE 1 STEM WALL. THE
MATERIALS I.M. 451 APPENDIX E TO ENABLE THE SPLICE TO
SPLICES SHALL BE SELECTED DURING STAGE 1 FROM
SHOWN USING MECHANICAL SPLICE ASSEMBLIES. MECHANICAL
THE 8a2 AND 8a4 BARS SHALL BE SPLICED AT THE LOCATIONS
SEE PAVING TYPICAL.
PAVEMENT SUBBASE -*
STAGE 2.
FOR CONSTRUCTION OF
* •" THICK PLYWOOD REMOVED
SIDE ELEVATION
8a1
POST BASE DETAIL
BASE PLATE
SHOWING THE RODENT GUARD50'-130' SPANS
SOST-20-11STAGE 2 FOUNDATION DETAILS
(38.5`x`H)/27, H IN FT.
END ELEVATION
4'-
6
3'-6 3'-63'-0
10'-0
9
ANCHOR BOLTS
~
4b1
2" CLEAR
BARS AS DIRECTED BY THE ENGINEER DURING STAGE 2.
OBTAIN, TRANSPORT AND PLACE 8a2, 8a4, APPLICABLE 4b1 and APPLICABLE 4d1
TRANSPORTED, AND STOCKPILED AS DIRECTED BY THE ENGINEER DURING STAGE 1.
8a2, 8a4, APPLICABLE 4b1 and APPLICABLE 4d1 BARS ARE TO BE PROVIDED,
WALL (STAGE 2)
(38.5`x`H)/27, H IN FT. TOTAL
C.Y.
ST
EE
LO
VE
RH
EA
DSI
GN
TR
US
S.D
GN - S
OS
T-20-11 -
THIS
SH
EE
T IS
SU
ED 03-13.
BASE PLATE.
GUARD SHALL NOT EXTEND ABOVE THE TOP OF THE
WITH ƒ" STAINLESS STEEL BANDING. THE RODENT
SECURE WIRE CLOTH TO BASE PLATE AFTER ERECTION
MINIMUM 2" LAP.
MINIMUM WIRE DIAMETER OF AWG NO. 16 WITH A
GRADE WIRE CLOTH, ‚" MAXIMUM OPENING WITH A
THE RODENT GUARD IS STAINLESS STEEL STANDARD
BASE PLATE.
THE RODENT GUARD SHALL BE PLACED AROUND THE
BOLTS
ANCHOR
---
4d1
R
(50'-100' SPANS)
FOR 14"½ POSTS
(105'-130' SPANS)
FOR 16"½ POSTS
R
7
8
1'-8
1'-10
DIAMETER
CIRCLE
BOLT
4d1
HEREON.
A RODENT GUARD SHALL BE PLACED AROUND THE BASE PLATE AS DETAILED
4d1 BARS AS DIRECTED BY THE ENGINEER DURING STAGE 2.
OBTAIN, TRANSPORT AND PLACE 8a2, 8a4, APPLICABLE 4b1 AND APPLICABLE
HAVE BEEN EMBEDDED IN THE TOP OF THE STAGE 1 FOUNDATION STEM WALL.
BE PROVIDED DURING STAGE 1. A TOTAL OF 46 MECHANICAL SPLICES SHALL
ALL MECHANICAL SPLICE ASSEMBLIES, 8a2, 8a4, 4b1 and 4d1 BARS ARE TO
WITH ARTICLE 4187.01, C, 3 OF THE STANDARD SPECIFICATIONS.
ALL ANCHOR BOLT MATERIALS AND GALVANIZING SHALL BE IN ACCORDANCE
(5 PER BOLT) AND WASHERS (2 PER BOLT) ARE REQUIRED PER FOUNDATION.
TWO ANCHOR BOLT ASSEMBLIES INCLUDING ANCHOR PLATES, TEMPLATES, NUTS
ELEV. A, ELEV. B AND ELEV. C SHALL BE AS SHOWN ELSEWHERE IN THESE PLANS.
Y SHALL NOT BE LESS THAN 2" NOR GREATER THAN 1'-0.
X SHALL NOT BE LESS THAN THICKNESS OF PAVEMENT PLUS PLYWOOD.
X = [`ELEV. B - ELEV. C - 4.042 FT.`]
D = [`ELEV. B - ELEV. C`]
ELEV. C SHOULD BE SET SO THAT [`ELEV. A - ELEV. C`] IS A MULTIPLE OF 1'-0.
ELEV. C = STAGE 1 BOTTOM OF FOUNDATION ELEVATION
ELEV. B = TOP OF PAVEMENT ELEVATION
ELEV. A = STAGE 2 TOP OF FOUNDATION ELEVATION
KEYWAY NOT SHOWN
8a3 AND 8a4 BARS AND
2"<Y<1'-0
KEYWAY
DISCONTINUOUS
EXISTING
LAYER ONLY
BUNDLED IN TOP
TWO 4d1 TIES
DIRECTED BY THE ENGINEER
ELEVATION AS HIGH POINT ON ROADWAY OR AS
TOP-OF-WALL ELEVATION IS TO BE SET AT SAME
07-17
SEE SOST-19-11 FOR STAGE 1 FOUNDATION DETAILS.
~
NOR BE LESS THAN 5'-0
H`-`SHALL NOT EXCEED 8'-6
GUARD
RODENT
LEVELING NUT
BOTTOM OF
FOUNDATION
TOP OF
RE
VISI
ON: 07-17 -
MO
DIFIE
D
NO
TE
S. C
HA
NG
ED
BO
LT
CIR
CL
E
DI
ME
NSI
ON
FR
OM
1'-
8
TO "2
R+̀
6̀" T
O
AC
CO
UN
T
FO
R
VA
RI
ATI
ON I
N
BO
LT
CIR
CL
E
DI
AM
ET
ER
DE
PE
NDI
NG
UP
ON
TR
US
S
SP
AN
LE
NG
TH.
LA
TE
ST
RE
VISI
ON
DA
TE
AP
PR
OV
ED
BY
BRI
DG
E
EN
GI
NE
ER
STANDARD DESIGN
STEEL OVERHEAD SIGN TRUSS
SEPTEMBER, 2011
Highway Division