Bridge Preservation Update

Wade F. Casey, P.E.Bridge Management Engineer

Federal Highway Administration

AASHTO SCOM MeetingLouisville, KY

July 20, 2011

Presentation Outline

• National Bridge Preservation Efforts

• FHWA Bridge Preservation Guide

• National Bridge Management, Inspection and Preservation Conference

National Bridge Preservation Efforts

• FHWA Bridge Preservation Expert Task Group (ETG)

• AASHTO (TSP.2), Bridge Preservation Regional Partnerships

• Bridge Preservation Association

• AASHTO SCOBS, T-9 Committee

• TRB, AHD-30, AHD-00 Committee

DC

No East

PR

Western So East

Hartford, CT

Orlando, FL

Sacramento, CA

Detroit, MI

Midwest

2010 AASHTO TSP2 Bridge Preservation Partnership Meetings

Western So East Midwest No East

ETG - Objectives1. Promote the development and

implementation of clear and consistent bridge preservation terminology

2. Promote nationwide understanding and acceptance of bridge preservation as a component of asset management.

3. Streamline the analysis and presentation of bridge data to support the needs of decision makers, management, technical staff and other stakeholders to advance bridge preservation.

ETG - Objectives4. Promote the development and

implementation of bridge preservation related performance measures

5. Promote the continued development of a technically competent workforce in bridge preservation

6. Promote and support access to research results

ETG - Objectives7. Provide the needed leadership to ensure the

continuous management of the bridge component of the TSP2 Research Roadmap

8. Monitor changes to laws, regulations, policies and guidance that impacts bridge preservation and identify impediments to advancing and improving the state of the practice

9. Foster an environment that promotes agency and industry innovation in products, processes, technologies, and specifications

BRIDGE PRESERVATION ACTION ITEMSAction Items Organization

SEBPP NEBPP MWBPP WBPP BPETG Performance Measures P P P Public Awareness/Marketing P P P Research P P P P Specifications & Materials P P Toolbox, & Best Practices P P P P Website Development P P P Definitions P P P P Maintenance Contracting P 2011 Meeting Planning P P P P Local Agency Outreach P Monitor BP Laws, Regs, & Policies P BP as Applied Asset Management P Streamline Analysis & Data Presentation

P

Work Force Training & Development P

Bridge Preservation Guide• FHWA bridge preservation guide published in

May, 2011.• The guide can be found at the following web

link: http://wwwdev.fhwa.dot.gov/bridge/preservation/guide/index.cfm

Bridge Preservation Guide

Bridge Preservation

Preventive Maintenance

Cyclical (Non- Condition Based)

Activities

Condition Based Activities

Rehabilitation

Bridge Replacement

Bridge Preservation Definition

Actions or strategies that prevent, delay or reduce deterioration of bridges or bridge elements, restore the function of existing bridges, keep bridges in good condition and extend their useful life. Preservation actions may be preventive or condition-driven.

Systematic Preventive MaintenanceGoals &

Measures

Inventory & Condition

Assessment

Needs Assessment

Budgeting & Alternatives Evaluation

Work Plan

Plan Implementation

Performance Evaluation

Systematic Process

7 . Demonstrate Cost

Effectiveness ?

8 . Demonstrate

extension of life ?

YES

Implement Systematic Process for Preventive

Maintenance ( PM )

NO

NO 1 .

Define How the Needs are

ID ?

2 . Prioritize the

Need ?

3 . Program Remedy

to address the Need ?

4 . Define Outcome

?

5 . ID Resources

to achieve goal ?

6 . Define Timelines

and / or timeframes ?

9 . Dedicate adequate

resources ?

Application does not meet the systematic

process criteria

NO

YES

YES

YES

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

NO

Track the Progress

Review Application for Systematic Process. :

Does it

Use of Federal-aid funds not appropriate

for PM activities

Adjust as necessary to reach goal

And/or Goal

Examples of PM Activities

• Seal or replace leaking joints or elimination of deck joints

• Deck overlays

• Spot, zone, and complete coating of structural steel elements

• Installation of Cathodic Protection (CP) Systems.

• Electrochemical Chloride Extraction (ECE) Treatment for decks and substructure elements

• Installations of scour countermeasures.

Examples of PM Activities

• Removing large debris from channels.

• Retrofit of fracture critical members

• Retrofit of fatigue prone details

• Application of concrete sealants, coatings, and membranes.

• Bridge cleaning and/or washing service.

Bridge Management, Inspection, and Preservation National Conference

• October 31 – November 2, 2011, at the Millennium Hotel - Downtown St. Louis

• Three focus areas – Management, Inspection, and Preservation

• Hosted by FHWA, TSP-2, and Midwest Bridge Working Group

• Preconference Workshops on October 31• Technical presentations and Breakout

sessions

Closing Thoughts• FHWA will continue to emphasize and

support bridge preservation initiatives through:– Regional Bridge Preservation Partnerships,– AASHTO TSP2,– National Workshops, Conferences– Bridge Management Peer Exchanges, – Bridge Preservation Expert Task Group– Research– AASHTO SCOM and SCOBS– Bridge Preservation Association– TRB AHD30 and 00

Thank you!

Anwar S. Ahmad, P.E.Bridge Preservation Engineer

Federal Highway AdministrationTelephone: (202) 366-8501

Email: Anwar.Ahmad@dot.gov