Bridge Scour and Stream Instability Countermeasures: Experience, Selection and Design Guidance
This document provides guidelines for the selection and design of appropriate countermeasures to mitigate potential damage to bridges and other highway components at stream crossings. A countermeasure matrix is presented as an aid to identify most types of countermeasures which have been used by State highway agencies (SHAs) for bridge scour and stream instability problems. The matrix supports the selection of appropriate countermeasures considering such characteristics as the functional application, suitable river environment, and estimated allocation of maintenance resources. In addition, SHAs with installation experience and design guideline references are included for each type of countermeasure. Design guidelines for the following seven countermeasures are provided based on information obtained from SHAs: bendway weirs/stream barbs, soil cement, wire enclosed riprap, articulated concrete block systems, articulating grout filled mattresses, Toskanes, and grout filled bags. Design Guideline 8 presents guidance for pier and abutment riprap protection from Hydraulic Engineering Circular 18.
- Record URL:
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Corporate Authors:
Ayres Associates, Incorporated
3665 JFK Parkway, Building 2, Suite 200
Fort Collins, CO United States 80525National Highway Institute
Federal Highway Administration
4600 N Fairfax Drive, Suite 800
Arlington, VA United States 22203Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC United States 20590 -
Authors:
- Lagasse, P F
- Byars, M S
- Zevenbergen, L W
- Clopper, P E
- Publication Date: 1997-7
Language
- English
Media Info
- Media Type: Digital/other
- Features: Figures; Photos; References; Tables;
- Pagination: 134p
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Serial:
- Hydraulic Engineering Circular
- Issue Number: 23
- Publisher: Federal Highway Administration
Subject/Index Terms
- TRT Terms: Bridge design; Countermeasures; Guidelines; Highway bridges; Scour; State highway departments; Streams
- Subject Areas: Bridges and other structures; Design; Highways; Hydraulics and Hydrology;
Filing Info
- Accession Number: 01782025
- Record Type: Publication
- Report/Paper Numbers: FHWA HI-97-030, HEC-23
- Contract Numbers: DTFH61-92-00049
- Files: NTL, TRIS, ATRI, USDOT
- Created Date: Sep 20 2021 4:58PM