Deck Preservation Strategies with a Bridge Management
System
Deck Preservation Strategies with a Bridge Management
System
Paul Jensen
Montana Department of Transportation
Email : [email protected]
Paul Jensen
Montana Department of Transportation
Email : [email protected]
State Bridge InventoryState Bridge InventoryFive Administrative DistrictsFive Administrative Districts
Interstate 994
Other NHS 468
Primary 548
Secondary 529
Urban 61
Interstate 994
Other NHS 468
Primary 548
Secondary 529
Urban 61
12441244 02 Stringer/Girder02 Stringer/Girder 5 Prestressed Concrete5 Prestressed Concrete10951095 02 Stringer/Girder02 Stringer/Girder 7 Wood or Timber7 Wood or Timber569569 02 Stringer/Girder02 Stringer/Girder 3 Steel3 Steel
12441244 02 Stringer/Girder02 Stringer/Girder 5 Prestressed Concrete5 Prestressed Concrete10951095 02 Stringer/Girder02 Stringer/Girder 7 Wood or Timber7 Wood or Timber569569 02 Stringer/Girder02 Stringer/Girder 3 Steel3 Steel
Inventory By Bridge TypesInventory By Bridge Types
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
Urban 61
Other On Sys 199
Off System 1806
Urban 61
Other On Sys 199
Off System 1806
569569 02 Stringer/Girder02 Stringer/Girder 3 Steel3 Steel373373 04 Tee Beam04 Tee Beam 5 Prestressed Concrete5 Prestressed Concrete314314 19 Culvert19 Culvert 3 Steel3 Steel234234 02 Stringer/Girder02 Stringer/Girder 4 Steel Continuous4 Steel Continuous168168 01 Slab01 Slab 2 Concrete Continuous2 Concrete Continuous162162 10 Truss10 Truss--ThruThru 3 Steel3 Steel130130 04 Tee Beam04 Tee Beam 1 Concrete1 Concrete112112 01 Slab01 Slab 1 Concrete1 Concrete6666 04 Tee Beam04 Tee Beam 2 Concrete Continuous2 Concrete Continuous6262 03 Girder03 Girder--FloorbeamFloorbeam 4 Steel Continuous4 Steel Continuous5858 19 Culvert19 Culvert 1 Concrete1 Concrete3030 22 Channel Beam22 Channel Beam 5 Prestressed Concrete5 Prestressed Concrete1919 03 Girder03 Girder--FloorbeamFloorbeam 3 Steel3 Steel1616 02 Stringer/Girder02 Stringer/Girder 1 Concrete1 Concrete
569569 02 Stringer/Girder02 Stringer/Girder 3 Steel3 Steel373373 04 Tee Beam04 Tee Beam 5 Prestressed Concrete5 Prestressed Concrete314314 19 Culvert19 Culvert 3 Steel3 Steel234234 02 Stringer/Girder02 Stringer/Girder 4 Steel Continuous4 Steel Continuous168168 01 Slab01 Slab 2 Concrete Continuous2 Concrete Continuous162162 10 Truss10 Truss--ThruThru 3 Steel3 Steel130130 04 Tee Beam04 Tee Beam 1 Concrete1 Concrete112112 01 Slab01 Slab 1 Concrete1 Concrete6666 04 Tee Beam04 Tee Beam 2 Concrete Continuous2 Concrete Continuous6262 03 Girder03 Girder--FloorbeamFloorbeam 4 Steel Continuous4 Steel Continuous5858 19 Culvert19 Culvert 1 Concrete1 Concrete3030 22 Channel Beam22 Channel Beam 5 Prestressed Concrete5 Prestressed Concrete1919 03 Girder03 Girder--FloorbeamFloorbeam 3 Steel3 Steel1616 02 Stringer/Girder02 Stringer/Girder 1 Concrete1 Concrete
Typical Agency Alignment of SystemsTypical Agency Alignment of Systems
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
TISTIS
Development Of A RoadmapDevelopment Of A Roadmap
Definitions
CultureOutcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
Performance
Measures
Data
Collection
Models
Everyone On The Same PageEveryone On The Same Page� New Construction� Preservation Includes (Deck, Super,
Sub)� Preventive (Not Always Condition
Responsive), � Rehabilitation
Reconstruction
� New Construction� Preservation Includes (Deck, Super,
Sub)� Preventive (Not Always Condition
Responsive), � Rehabilitation
Reconstruction
Definitions
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Reconstruction
� Reactive Maintenance (Unplanned Activities)
� Key Words: � Life Extension� Cost Effectiveness� Proactive
� Reconstruction
� Reactive Maintenance (Unplanned Activities)
� Key Words: � Life Extension� Cost Effectiveness� Proactive
Three Track NominationsThree Track Nominations
� Reactionary Maintenance (by Bridge)
� Emergency Repairs
� Limited Contract Repairs
� DOT In-house Repairs
� Preventive Maintenance (by Corridor)
Contract Deck Sealing
� Reactionary Maintenance (by Bridge)
� Emergency Repairs
� Limited Contract Repairs
� DOT In-house Repairs
� Preventive Maintenance (by Corridor)
Contract Deck Sealing
Definitions
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Contract Deck Sealing
� Contract Surface Rehab (Mill-And-Fill)
� Rehab, Replacement (by Bridge - Capital)
� Contract Work
� Tied to State Transportation Improvement Plan (STIP)
� Contract Deck Sealing
� Contract Surface Rehab (Mill-And-Fill)
� Rehab, Replacement (by Bridge - Capital)
� Contract Work
� Tied to State Transportation Improvement Plan (STIP)
Culture Of Change Culture Of Change � Upper Management (Across All
Areas)� High Level� Performance Goals� Resource Allocation� Political Considerations
Mid Management (Infrastructure)
� Upper Management (Across All Areas)� High Level� Performance Goals� Resource Allocation� Political Considerations
Mid Management (Infrastructure)
Culture
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Mid Management (Infrastructure)� Detail Roll-up Of Expectations� Priority Over Costs� Area Of Performance
� Technical Experts� Models� Development Of Program Levels� Area Of Performance
� Mid Management (Infrastructure)� Detail Roll-up Of Expectations� Priority Over Costs� Area Of Performance
� Technical Experts� Models� Development Of Program Levels� Area Of Performance
Basis For Measurement Development
Basis For Measurement Development
� Current Vs. Needed
� Monitor Trends
� Develop Both Short And Long Term Goals
� Current Vs. Needed
� Monitor Trends
� Develop Both Short And Long Term Goals
Performance
Measures
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
Goals
� Return On Investment
� Funding Constraints
� Higher Expectations From The Public
� Affordable Level-of-Service
Goals
� Return On Investment
� Funding Constraints
� Higher Expectations From The Public
� Affordable Level-of-Service
FHWA’s Guidance for Approval Systematic Process
FHWA’s Guidance for Approval Systematic Process
1. Define How The Needs Are Identified.
2. Outline How The Needs Are Prioritized And Programmed.
3. Define The Outcome Or Goal, Including Resources Necessary & Timeframes To Reach The Outcome/Goal.
1. Define How The Needs Are Identified.
2. Outline How The Needs Are Prioritized And Programmed.
3. Define The Outcome Or Goal, Including Resources Necessary & Timeframes To Reach The Outcome/Goal.
Performance
Measures
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
The Outcome/Goal.
4. Demonstrate That The Proposed Activity Is A Cost-effective Means Of Extending The Service Life Of A Bridge.
5. Dedicate Resources Necessary To Reach Defined Outcome/Goal.
6. Annually Track, Evaluate, And Report On Progress In Reaching Outcome/Goal And Adjust Resources Accordingly.
The Outcome/Goal.
4. Demonstrate That The Proposed Activity Is A Cost-effective Means Of Extending The Service Life Of A Bridge.
5. Dedicate Resources Necessary To Reach Defined Outcome/Goal.
6. Annually Track, Evaluate, And Report On Progress In Reaching Outcome/Goal And Adjust Resources Accordingly.
Deck Performance Measure
Deck Performance Measure
� Best Practice Is the Health Index
� Dose Not Account for Smart Flags
� Range of Values Small for Large Change in Condition
� Best Practice Is the Health Index
� Dose Not Account for Smart Flags
� Range of Values Small for Large Change in Condition
Performance
Measures
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Calculated by Equation 4.2.1 of Pontis Technical Manual (Page 4-9)
� Calculated by Equation 4.2.1 of Pontis Technical Manual (Page 4-9)
100100**nn
Total Element Quantity Total Element Quantity **Element CostElement Cost
nnPercent Condition StatePercent Condition State**QuantityQuantityElement Element **CostCostElement Element
IndexIndexHealthHealth∑∑∑∑∑∑∑∑
∑∑∑∑∑∑∑∑========
Deck Performance MeasureMontana Modified
Deck Performance MeasureMontana Modified
� Used Core Computation
� Included Smart Flags in Calculation
� Used Grouping From NBI Translator
� Smart Flag Cost From Total Cost of
� Used Core Computation
� Included Smart Flags in Calculation
� Used Grouping From NBI Translator
� Smart Flag Cost From Total Cost of
Performance
Measures
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Smart Flag Cost From Total Cost of Element Group (Deck, Bearings, Joints, Approach Slabs)
� Limited One Smart Flag by Span Group
� Smart Flag Cost From Total Cost of Element Group (Deck, Bearings, Joints, Approach Slabs)
� Limited One Smart Flag by Span Group
100100**ee Cost * Qty * Pct in State)Cost * Qty * Pct in State)
HImtHImt
∑∑∑∑∑∑∑∑========
((
ee Qty) Qty) **CostCost∑∑∑∑∑∑∑∑((
ss * Qty * Pct in State))* Qty * Pct in State))∑∑∑∑∑∑∑∑+ (+ (ee Qty) Qty) **CostCost∑∑∑∑∑∑∑∑((
ss* Qty))* Qty))∑∑∑∑∑∑∑∑+ (+ (
ee Qty) Qty) **CostCost∑∑∑∑∑∑∑∑((
Montana HIMontana HI
� Larger Spread of HI Values
� Gave Better Feel for Need
� Inventory Averages
� HIavg (No SF in Computation) = 90
� Larger Spread of HI Values
� Gave Better Feel for Need
� Inventory Averages
� HIavg (No SF in Computation) = 90
Performance
Measures
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� HIavg (No SF in Computation) = 90
� HIavg (SF in Computation) = 88
� Bridges With Smart Flags
� HIavg (No SF in Computation) = 83
� HIavg (SF in Computation) = 59
� HIavg (No SF in Computation) = 90
� HIavg (SF in Computation) = 88
� Bridges With Smart Flags
� HIavg (No SF in Computation) = 83
� HIavg (SF in Computation) = 59
Data CollectionData Collection
� Deterioration - From Field Observation
� NBI Inspections
� Element Inspections
� Cost Data
Contract Data
� Deterioration - From Field Observation
� NBI Inspections
� Element Inspections
� Cost Data
Contract Data
Data
Collection
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Contract Data
� Scheduled Contract Work
� State Transportation Improvement Plan (STIP)
� Maintenance Work Records
� Contract Data
� Scheduled Contract Work
� State Transportation Improvement Plan (STIP)
� Maintenance Work Records
MDT Data CollectionMDT Data CollectionData
Collection� Collecting NBI Data Since 1980
� Collecting AASHTO CoRe Data Since 1995
� CoRe : Commonly Recognized Elements
� All Data Warehoused in Oracle
� Collecting NBI Data Since 1980
� Collecting AASHTO CoRe Data Since 1995
� CoRe : Commonly Recognized Elements
� All Data Warehoused in Oracle
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� All Data Warehoused in Oracle Database
� Data Structure Uses AASHTOWare Pontis Schema
� Data Analysis Uses Pontis and “Home Grown” Applications
� All Data Warehoused in Oracle Database
� Data Structure Uses AASHTOWare Pontis Schema
� Data Analysis Uses Pontis and “Home Grown” Applications
Historical Review (NBI)Historical Review (NBI)� Breakdown of NBI Data
� Deck, Superstructure and Substructure
� Snapshot Past 25, 10, 5, 1 Years
� Review for Trends and Limit the Program Scope
� Breakdown of NBI Data� Deck, Superstructure and Substructure
� Snapshot Past 25, 10, 5, 1 Years
� Review for Trends and Limit the Program Scope
19801980 19951995 20002000 20042004
Worse than 5Worse than 5 1.8%1.8% 0.9%0.9% 0.8%0.8% 1.3%1.3%
DeckDeck
Data
Collection
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
Worse than 5Worse than 5 1.8%1.8% 0.9%0.9% 0.8%0.8% 1.3%1.3%Equal to 5Equal to 5 2.9%2.9% 3.6%3.6% 4.3%4.3% 4.8%4.8%Better than 5Better than 5 95.2%95.2% 95.2%95.2% 84.1%84.1% 91.4%91.4%
Worse than 5Worse than 5 2.3%2.3% 1.6%1.6% 1.1%1.1% 0.4%0.4%Equal to 5Equal to 5 3.1%3.1% 4.3%4.3% 4.3%4.3% 6.1%6.1%Better than 5Better than 5 94.7%94.7% 94.0%94.0% 83.8%83.8% 93.5%93.5%
SuperstructureSuperstructure
Worse than 5Worse than 5 3.3%3.3% 2.6%2.6% 2.6%2.6% 1.9%1.9%Equal to 5Equal to 5 3.9%3.9% 4.5%4.5% 6.3%6.3% 3.6%3.6%Better than 5Better than 5 92.9%92.9% 92.9%92.9% 91.1%91.1% 89.5%89.5%
SubstructureSubstructure
Conclusion From NBI DataConclusion From NBI Data� Superstructure and Substructure
� Work Condition (Worse Than 5) Down Trend
� Watch Condition (5) Went up
� Do Nothing (Better Than 5) No Trend
� Factors� Removal of Short Span Timber Bridges
� Seismic Retro Fitting
� Superstructure and Substructure� Work Condition (Worse Than 5) Down Trend
� Watch Condition (5) Went up
� Do Nothing (Better Than 5) No Trend
� Factors� Removal of Short Span Timber Bridges
� Seismic Retro Fitting
Data
Collection
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Replacement of Older Inventory
� Deck� Work Condition Upward Trend
� Watch Condition Went up
� Do Nothing - No Trend
� Factor� Increase in Traffic
� Increase Use in Liquid Deicers
� Replacement of Older Inventory
� Deck� Work Condition Upward Trend
� Watch Condition Went up
� Do Nothing - No Trend
� Factor� Increase in Traffic
� Increase Use in Liquid Deicers
Historical Review(AASHTO CoRe)Historical Review(AASHTO CoRe)
� Breakdown of Deck Elements
� Snapshot Past 10, 5, 1 Years
� Breakdown of Deck Elements
� Snapshot Past 10, 5, 1 Years
19951995 20002000 20042004
States 4 & 5States 4 & 5 0.3%0.3% 0.7%0.7% 1.2%1.2%
Deck CoRe ElementsDeck CoRe Elements
Data
Collection
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
States 4 & 5States 4 & 5 0.3%0.3% 0.7%0.7% 1.2%1.2%
State 3State 3 1.0%1.0% 3.7%3.7% 4.3%4.3%
States 1 & 2States 1 & 2 98.7%98.7% 95.7%95.7% 94.6%94.6%
States 2 thru 5States 2 thru 5 0.6%0.6% 8.3%8.3% 7.3%7.3%
Deck Smart Flags UseDeck Smart Flags Use
Conclusion From Element Data
Conclusion From Element Data
� Data Collection Started in Year 10
� Cracking and Soffit Defects on the Rise
� Deck Ride Quality on Downward
� Data Collection Started in Year 10
� Cracking and Soffit Defects on the Rise
� Deck Ride Quality on Downward
Data
Collection
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Deck Ride Quality on Downward Trend
� Deck Ride Quality on Downward Trend
Overall ConclusionOverall Conclusion
� Need to Develop a Long Term Preventive Maintenance Strategy
� Decks and Associated Elements As a Focus
� Need to Develop a Long Term Preventive Maintenance Strategy
� Decks and Associated Elements As a Focus
Data
Collection
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
As a Focus
� Use Deterioration Models From Pontis
� Develop a Performance Measure for the Constrained Data
As a Focus
� Use Deterioration Models From Pontis
� Develop a Performance Measure for the Constrained Data
Issues Effecting Preservation Activities
Issues Effecting Preservation Activities
� Data
� Process Misalignment
� Safety Compliance
� Asset Management
� Data
� Process Misalignment
� Safety Compliance
� Asset Management
Models
� Predicting Deterioration
� Dependent On Expert Option
Replacement-in-
� Predicting Deterioration
� Dependent On Expert Option
Replacement-in-
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
Asset Management
� Data Misalignment
� Structural Defects
� Protection Defects
Asset Management
� Data Misalignment
� Structural Defects
� Protection Defects
� Replacement-in-kind
� Strategic Approach
� Remaining Live
� Life Cycle
� Replacement-in-kind
� Strategic Approach
� Remaining Live
� Life Cycle
BMS (Pontis) ParametersBMS (Pontis) Parameters� Limit the Data Set
� Decks and Slabs
� Bearing
� Joints
� Deck Smart Flags
� Develop Probabilistic Model for Elements
Develop Deterministic Rules for Smart Flags
� Limit the Data Set� Decks and Slabs
� Bearing
� Joints
� Deck Smart Flags
� Develop Probabilistic Model for Elements
Develop Deterministic Rules for Smart Flags
Models
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Develop Deterministic Rules for Smart Flags
� Limit the Work to Scheduled Work
� Allow a Zero Budget
� Store Element Deterioration by Year
� Simulate for 10 Years
� Develop Deterministic Rules for Smart Flags
� Limit the Work to Scheduled Work
� Allow a Zero Budget
� Store Element Deterioration by Year
� Simulate for 10 Years
ReportingReporting
� Development of “Indifference Curve”
� Report� By Bridge (by Year)
� Recommended Action
� Benefit / Cost Ratio
Hi
� Development of “Indifference Curve”
� Report� By Bridge (by Year)
� Recommended Action
� Benefit / Cost Ratio
Hi
Outcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Himt
� Categorize by Good, Watch, Bad
� By Route (Break on County and Year)� Average Himt
� Network Indifference Curve
� Network Benefit / Cost Ratio
� Network Cost to Improve
� Count by Good, Watch, Bad Groupings
� Himt
� Categorize by Good, Watch, Bad
� By Route (Break on County and Year)� Average Himt
� Network Indifference Curve
� Network Benefit / Cost Ratio
� Network Cost to Improve
� Count by Good, Watch, Bad Groupings
GroupingsGroupings
� Good Condition � Himt Greater Than 70
� No Defects
� Watch
� Good Condition � Himt Greater Than 70
� No Defects
� Watch
Outcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Himt Between 50 and 69
� Bridges Have Defects That Need Monitoring
� Bad � Himt Less Than 50
� Defects Needing Corrective Action
� Himt Between 50 and 69
� Bridges Have Defects That Need Monitoring
� Bad � Himt Less Than 50
� Defects Needing Corrective Action
0
20
40
60
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
Good Watch Bad
Indifference CurveIndifference Curve
� Need Cost or Bridge Count by Year
� Need Cost or Bridge Count by Year
Needing Work Before Input Into a Capital Program
Maximum PM Cost < Capital Cost
Needing Work Before Input Into a Capital Program
Maximum PM Cost < Capital Cost
Outcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Plot Cost (Bridge) and Year
� Take Action Before Going Near Vertical
� Plot Cost (Bridge) and Year
� Take Action Before Going Near Vertical
-$5.0
$0.0
$5.0
$10.0
$15.0
$20.0
$25.0
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
First Time to Consider Work
(Lest Cost)
First Time to Consider Work
(Lest Cost)
Program DevelopmentProgram Development
� Develop Different Budgets
� Run Scenarios
� Plot Long Term Effects
Settle on Program Parameters
� Develop Different Budgets
� Run Scenarios
� Plot Long Term Effects
Settle on Program Parameters
Outcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Settle on Program Parameters and Budget
� Settle on Program Parameters and Budget
Check for Corridor Improvement
Check for Corridor Improvement
� Input Projects, Scopes and Cost Into Pontis
� Run the Scenario With Proposed Budgets
� Input Projects, Scopes and Cost Into Pontis
� Run the Scenario With Proposed Budgets
Outcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
Budgets
� Compare Network Level Results
� Fulfill Performance Goals?
� Budgets Adequate for Scope?
� Peaks and Valleys of Needs Smooth Out?
Budgets
� Compare Network Level Results
� Fulfill Performance Goals?
� Budgets Adequate for Scope?
� Peaks and Valleys of Needs Smooth Out?
Development ResultsDevelopment Results
DeckHealthIndex
DeckHealthIndex
AccumulativeExpendituresAccumulativeExpenditures
DeckHealthIndex
DeckHealthIndex
AccumulativeExpendituresAccumulativeExpenditures
DeckHealthIndex
DeckHealthIndex
AccumulativeExpendituresAccumulativeExpenditures
DeckHealthIndex
DeckHealthIndex
Need toCorrectNeed toCorrect
Maximum $500 Thousand Annual
Budget
Maximum $500 Thousand Annual
BudgetMaximum $1.0 Million
Annual BudgetMaximum $1.0 Million
Annual BudgetUnconstrained BudgetUnconstrained BudgetDo NothingDo Nothing
YearYear
Outcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
34.134.1$1,693,066$1,693,06664.364.3$13,603,630$13,603,63082.882.8$22,354,797$22,354,7970.40.4$35,696,378$35,696,37820582058
41.341.3$2,439,881$2,439,88170.170.1$11,744,147$11,744,14788.388.3$17,972,034$17,972,0340.70.7$35,136,686$35,136,68620482048
43.943.9$1,260,291$1,260,29156.656.6$6,279,637$6,279,63771.471.4$10,910,317$10,910,3179.29.2$24,551,826$24,551,82620382038
59.459.4$1,202,671$1,202,67170.570.5$4,453,960$4,453,96073.573.5$7,093,280$7,093,28034.534.5$12,276,500$12,276,50020282028
70.570.5$1,233,546$1,233,54674.374.3$1,798,384$1,798,38481.181.1$3,590,750$3,590,75055.955.9$6,936,027$6,936,02720182018
85.785.7$114,927$114,92788.988.9$437,341$437,34193.793.7$1,485,733$1,485,73384.984.9$1,485,733$1,485,73320082008
Goal DHI for Performance Level of Service
40
50
60
70
80
90
100
Deck H
ealt
h I
nd
ex
Deck Heath Index Over Time
40
50
60
70
80
90
100
Outcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
20
30
40
2008 2018 2028 2038 2048 2058
Year
Deck H
ealt
h I
nd
ex
Do Nothing
Unconstrained Budget
$1.0 Million Budget
$500 Thousand Budget
20
30
40
10
0
Field Review and Set Scope
Field Review and Set Scope
� Rank Corridors From Worst to Best
� Review Recommended Action From Pontis With Field
� Rank Corridors From Worst to Best
� Review Recommended Action From Pontis With Field
Outcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
From Pontis With Field Observations
Kick Some Rocks
� Develop Scopes for Each Bridge
� Detailed Estimate for Each Bridge in the Corridor
From Pontis With Field Observations
Kick Some Rocks
� Develop Scopes for Each Bridge
� Detailed Estimate for Each Bridge in the Corridor
Development Of A RoadmapDevelopment Of A Roadmap
Definitions
CultureOutcomes
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
Performance
Measures
Data
Collection
Models
ConclusionConclusion
� Defining The Difference Between Reactive Maintenance, Preventive Maintenance, Preservation And Rehabilitation.
� Development And Definition Of Bridge Preservation Strategies.
� Defining The Difference Between Reactive Maintenance, Preventive Maintenance, Preservation And Rehabilitation.
� Development And Definition Of Bridge Preservation Strategies.
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
� Developing Deterioration Models For The Bridge As A Whole And For The Preservation Work.
� Development Of Bridge Management Policies That Address The Interaction Of Network Benefits And Needs With Individual Bridge Benefits And Needs.
� Developing Deterioration Models For The Bridge As A Whole And For The Preservation Work.
� Development Of Bridge Management Policies That Address The Interaction Of Network Benefits And Needs With Individual Bridge Benefits And Needs.
Thank For Your TimeThank For Your Time
Paul JensenPaul Jensen
Montana Department Of TransportationMontana Department Of Transportation Bridge Management SectionBridge Management Section
Montana Department of Transportation
Email : [email protected]
Montana Department of Transportation
Email : [email protected]