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This is an archived publication. It may be useful for researchers doing further work in this area as well as those developing improved testing and design procedures and is included because of its historical value

Title: Evaluating Scour at Bridges, Fourth Edition

Description: Evaluating Scour at Bridges, Hydraulic Engineering Circular No. 18 (HEC-18), presents the state of knowledge and practice for the design, evaluation and inspection of bridges for scour. Namely, the purpose of this document is to provide guidelines for the following: designing new and replacement bridges to resist scour, evaluating existing bridges for vulnerability to scour, inspecting bridges for scour, and improving the state-of-practice of estimating scour at bridges.

There are two companion documents, Stream Stability at Highway Structures (HEC-20) and Bridge Scour and Stream Instability Countermeasures (HEC-23). These three documents contain updated material from previous editions and the publication Interim Procedures for Evaluating Scour at Bridges issued in September 1988 as part of the FHWA Technical Advisory T 5140.20, Scour at Bridges. T5140.20 has since been superseded by T5140.23, Evaluating Scour at Bridges dated October 28, 1991. This fourth edition of HEC-18 contains revisions obtained from further scour-related developments and the use of the 1995 edition by the highway community.

FHWA Publication Number: NHI-01-001

Publication Year: 2001

Document Links: PDF (ISDDC)

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Other documents in this series:

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Publications Order Information:

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  • Limited quantities of FHWA publications are available at the FHWA Report Center.

Contact:

Kornel Kerenyi
Office of Research, Development and Technology
202-493-3142
kornel.kerenyi@dot.gov


Dave Henderson
Office of Bridges and Structures
202-493-0520
dave.henderson@dot.gov


Joe Krolak
Office of Bridges and Structures
202-366-4611
joe.krolak@dot.gov

Updated: 09/06/2013

FHWA
United States Department of Transportation - Federal Highway Administration