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Rehabilitation of the Anthony Wayne Suspension Bridge
Ohio Transportation Engineering ConferenceOctober 27, 2015
David Geckle, P.E., Project EngineerOhio Department of Transportation – District Two
Bernie Goetz, P.E., Project ManagerE.S. Wagner Co.
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Anthony Wayne Bridge2
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History
• The bridge was originally constructed between 1929 and 1931.
• Spans the navigable Maumee River.• Bridge rehabilitation projects in 1961 and
1996.• Only remaining suspension bridge in ODOT’s
inventory.
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Anthony Wayne Bridge Statistics
• Overall bridge length = 3,218 FT• Tower height = 215 FT• Bridge Types and Spans:
• 3 Suspension spans (1 Mainspan, 2 backspans)• 1,252 FT in total length
• 2 Deck Truss Approach Spans• Each 203 FT in length
• 5 Twin Girder Approach Spans• Lengths range from 69 FT to 165 FT
• 9 Multi-Girder Approach Spans• Lengths range from 20 FT to 45 FT
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Rehabilitation Details
• Complete redeck• Structural Steel Repairs
• Suspension Span Superstructure• Towers• Approach Span Superstructure
• Replacement of Single Span Under Truss Sections with Two Span Plate Girder Superstructure
• Substructure Concrete Patching
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Existing Truss Span6
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Project Details
• Contract awarded to E.S. Wagner Co. for $28,694,796.
• Allowed for a 19 Month complete closure of the bridge
• Could not impede shipping traffic
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Suspension Span Rehabilation
• Work completed symmetrically about the transverse and longitudinal centerline of the suspension span.
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Suspension Span Rehabilation9
• No work platforms could extend more than 6” below low steel within shipping channel• No interference with shipping traffic
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Suspension Span Rehabilation
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Suspension Span Rehabilation
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Deck Edge
• Main stiffening girder tied to suspension span deck with shear bolts.• First known occurrence in the
World.• Cathodic Protection (Galvanic
Zinc Anodes) incorporated into deck edge design.
• Galvanized Reinforcing Steel.
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Suspension Span Rehabilation
• Placement of Lightweight Concrete for all components on suspension span.
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Suspension Span Rehabilation
• Replaced existing finger joints at the Towers with modular expansion joints.
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Main Cable Hold-Down Retrofit15
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Main Cable Hold-Down Retrofit
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Suspension Span Rehabilation17
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Truss Spans
• Remove existing single span truss and replace with two span plate girder superstructure.• Avoid main suspension cable during demolition &
erection
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Truss Spans19
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Truss Spans20
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Truss Spans21
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Truss Spans22
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Truss Spans23
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Truss Spans24
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Truss Spans25
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Truss Spans26
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Tower Structural Steel Repairs27
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Approach Span Structural Steel Repairs28
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Approach Span Structural Steel Repairs
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Concrete Patching30
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Handrail and Post Refurbishment31
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Future Toledo Metropark32
• Project incorporated the beginnings of a future 30 acre Toledo Metropark• Bioswale lined with Berea Sandstone• Trench drains for bridge drainage
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Statistics33
• Total of 10,750 CY of Concrete• 2,560 CY Lightweight Concrete• 750 CY of Substructure Concrete Patching
• 1.5 Million pounds of Epoxy Coated Reinforcing Steel
• 205,000 pounds of Galvanized Reinforcing Steel
• 1.1 Million pounds of New Structural Steel• 48,000 New Structural Steel Bolts
• 25,000 Rivets Removed
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Future Work – Painting & Lighting34
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Future Work - Dehumidification35
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Anthony Wayne Bridge36
Questions?