Proposed Revisions to the AASHTO Movable Bridge Inspection, Evaluation, and Maintenance Manual

The American Association of State Highway and Transportation Officials (AASHTO) Movable Bridge Inspection, Evaluation, and Maintenance Manual (Manual) was first issued in 1998 and is still currently available in this first edition. In the intervening years, there have been many new developments in bridge design and analysis methodologies, as well as many developments in bridge inspection, evaluation and maintenance that were not contemplated in the 1998 edition. For example, the AASHTO Highway Subcommittee on Bridges and Structures (HSCOBS) has adopted the AASHTO load and resistance factor design (LRFD) Bridge Design Specifications, the Manual for Bridge Evaluation, and the AASHTO Guide Manual for Bridge Element Inspection. Correspondingly, a companion document for the design of movable bridges, incorporating the LRFD methodology, was adopted and is currently in its 2nd edition, 2007. The AASHTO Movable Bridge Inspection, Evaluation, and Maintenance Manual, which predates all of these newer documents, no longer reflects the latest thinking and developments in bridge design and evaluation, and so has lost much of its relevance in addressing the inspection, evaluation and maintenance of the nation's inventory of movable bridges. A more up-to-date and relevant document is needed to provide current, state-of-the-art guidance to owners and practitioners in the movable bridge industry. A more current manual will assure that the latest thinking in movable bridge inspection, evaluation, and maintenance is being utilized. The result will be a national inventory of movable bridges that is safer, in better condition, and better maintained. The objective of this research is to propose revisions to the AASHTO Movable Bridge Inspection, Evaluation, and Maintenance Manual. The revisions should be prepared recognizing the latest developments in movable bridge design, inspection, evaluation, and maintenance practices. Additionally, the proposed revisions should be consistent with adopted AASHTO specifications and manuals, and Federal Highway Administration (FHWA) National Bridge Inspection Standards (NBIS) and Bridge Inspector's Reference Manual. Project tasks are as follows: PHASE I--Planning (1). Review relevant literature, specifications and manuals, current practices and other information, canvassing all engineering disciplines, to determine the current state of knowledge. This information should be assembled from bridge owners and cover research findings from both domestic and foreign sources.(2). Summarize the various developments since the publication of the Manual in 1998 and identify gaps in the Manual as well as other interrelated specifications and manuals.(3). Prepare a detailed outline identifying the proposed areas of the Manual that will require modification (e.g., combining Parts 2 and 3 of the Manual) or addition (e.g., best practices for documentation and reporting of inventory, inspection, and maintenance). (4). Prepare Interim Report No.1 that documents Tasks 1 though 3 and provides an updated work plan for the remainder of the project. This report is due no later than 4 months after the contract award. The updated plan must describe the process and rationale for the work proposed for Phases II and III. PHASE II--Manual Update (5). Execute the approved work plan to revise the Manual. (6). Quantify the potential impact of the proposed revisions to the Manual on public safety, inspection procedures, and resources needed for implementation.(7). Develop standardized descriptions for inventory and inspection based on the element-level condition assessment methods (no database and software development are intended) as a stand-alone document. (8). Prepare Interim Report No. 2 that documents Tasks 5 through 7 of Phase II no later than 12 months after approval of Phase II. PHASE III--Final Products (9). Update proposed modifications to the AASHTO Movable Bridge Inspection, Evaluation, and Maintenance Manual after consideration of review comments and prepare ballot items for AASHTO Highway Subcommittee on Bridges and Structures consideration. (10). Prepare a final report that documents the entire research effort.


  • English


  • Status: Completed
  • Funding: $210000.00
  • Contract Numbers:

    Project 14-32

  • Sponsor Organizations:

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590

    American Association of State Highway & Transportation Officials (AASHTO)

    444 North Capitol Street, NW, Suite 225
    Washington, DC  United States  20001

    National Cooperative Highway Research Program

    Transportation Research Board
    500 Fifth Street, NW
    Washington, DC  United States  20001
  • Project Managers:

    Dekelbab, Waseem

  • Performing Organizations:

    Parsons Brinckerhoff

    2545 Farmers Dr. Suite 350
    Columbus, OH  United States  43235
  • Principal Investigators:

    Abrahams, Michael

  • Start Date: 20130731
  • Expected Completion Date: 0
  • Actual Completion Date: 20150731
  • Source Data: RiP Project 38216

Subject/Index Terms

Filing Info

  • Accession Number: 01547398
  • Record Type: Research project
  • Source Agency: Transportation Research Board
  • Contract Numbers: Project 14-32
  • Files: TRB, RiP
  • Created Date: Dec 9 2014 1:00AM