Evaluation of Bridge Scour Research

Since 1990, state highway agencies, federal agencies, and others have expended significant resources for research on bridge scour, particularly in the following areas: (a) prediction of scour at bridge piers and abutments, (b) selection and design of bridge-scour countermeasures, (c) stream bank protection, (d) tidal scour, and (e) analysis of river systems and methodologies for predicting channel instability. In 1997, NCHRP Project 24-08, "Scour at Bridge Foundations: Research Needs," prepared a comprehensive plan to identify and guide bridge-scour-related research. Development of this plan required the research agency to assess the validity and applicability of research related to bridge scour and fluvial system instability; define the state of practice; identify gaps, deficiencies, and potential improvements in current scour technology; and make recommendations for future research. Using the results of Project 24-08, the American Association of State Highway and Transportation Officials (AASHTO) has, through NCHRP, initiated and completed a number of bridge-scour-related research studies. In addition, FHWA and other agencies and institutions have conducted bridge-scour-related research studies related to the comprehensive strategy. The AASHTO Technical Committee on Hydrology and Hydraulics is currently developing two new manuals: "Policy for Design of Highway Drainage Facilities" and "Recommended Procedures for Design of Highway Drainage Facilities." To assist in development of the bridge-scour sections of these manuals, AASHTO needs a critical evaluation of bridge-scour research completed since 1990 with recommendations for the adoption of specific research results. These recommendations will be used by AASHTO in developing policies and procedures in the bridge-scour area for the two new highway hydraulic engineering guidance documents. NCHRP Project 24-27 was funded to critically evaluate bridge-scour research results completed since 1990 and make recommendations for adoption of specific research results by AASHTO and use by the engineering community in general. Project 24-27 is divided into three functional areas: (1) Pier Scour Processes and Predictions; (2) Abutment and Contraction Scour Processes and Predictions; and (3) Geomorphic Processes and Predictions. Separate but coordinated research teams will address each of these functional areas under the umbrella of NCHRP Project 24-27. Projects 24-27(01) and 24-27(02) are underway. This project will address the functional area 'Geomorphic Processes and Predictions' and will be conducted as NCHRP Project 24-27(03).


  • English


  • Status: Proposed
  • Contract Numbers:

    Project 24-27(03)

  • Sponsor Organizations:

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  USA  20590

    American Association of State Highway & Transportation Officials

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

    National Cooperative Highway Research Program

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

    Harrigan, Edward

  • Performing Organizations:

    University of Alabama, Huntsville

    Department of Civil and Environmental Engineering
    Huntsville, AL  USA  35899
  • Start Date: 20080302
  • Source Data: RiP Project 15451

Subject/Index Terms

Filing Info

  • Accession Number: 01464756
  • Record Type: Research project
  • Source Agency: National Cooperative Highway Research Program
  • Contract Numbers: Project 24-27(03)
  • Files: TRB, RiP, USDOT
  • Created Date: Jan 3 2013 2:48PM