Movable Bridge Construction Requirements

There are approximately 800 highway movable bridges in service in the United States per the current National Bridge Inventory database, spread across 33 states. Of the total inventory of existing highway movable bridges in service, over 20 percent are classified in poor condition and more than 300 exceed 70 years of age. The lifecycle costs of movable bridges are highly influenced by construction quality, which is, in part, a function of the adequacy of the technical specifications by which a project is executed. The American Association State Highway and Transportation Officials (AASHTO) Standard Specifications for Movable Highway Bridges, last updated in 1988, contained limited information on construction, primarily related to machinery. This document was replaced by the AASHTO LRFD Movable Highway Bridge Design Specifications in 2000, which does not contain specifications for construction. Since there are no AASHTO documents that address movable bridge construction, movable bridge owners would benefit from a comprehensive national document. Research is needed to develop comprehensive construction requirements for new and existing movable bridges. The objective of this research is to develop construction requirements for new and existing movable bridges. It shall cover all components of movable bridges including (1) structural, (2) mechanical, and (3) electrical.


  • English


  • Status: Proposed
  • Funding: $500000
  • Contract Numbers:

    Project 10-137

  • Sponsor Organizations:

    National Cooperative Highway Research Program

    Transportation Research Board
    500 Fifth Street, NW
    Washington, DC  United States  20001

    American Association of State Highway and Transportation Officials (AASHTO)

    444 North Capitol Street, NW
    Washington, DC  United States  20001

    Federal Highway Administration

    Office of Infrastructure
    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Project Managers:

    Abu-Hawash, Ahmad

  • Start Date: 20231113
  • Expected Completion Date: 0
  • Actual Completion Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 01898362
  • Record Type: Research project
  • Source Agency: Transportation Research Board
  • Contract Numbers: Project 10-137
  • Files: TRB, RIP
  • Created Date: Nov 7 2023 12:09PM