Hydraulics Engineering Publications

Title: Bridge Scour and Stream Instability Countermeasures Experience, Selection, and Design Guidance Second Edition

Description: Bridge Scour and Stream Instability Countermeasures: Experience, Selection, and Design Guidance, Hydraulic Engineering Circular No. 23 (HEC-23), identifies and provides design guidelines for bridge scour and stream instability countermeasures that have been implemented by various State departments of transportation (DOTs) in the United States. Countermeasure experience, selection, and design guidance are consolidated from other FHWA publications in this document to support a comprehensive analysis of scour and stream instability problems and provide a range of solutions to those problems. Selected innovative countermeasure concepts and guidance derived from practice outside the United States are introduced. Management strategies for developing a Plan of Action (POA) for scour critical bridges are outlined, and guidance is provided for scour monitoring using portable and fixed instrumentation.

There are two companion documents, Evaluating Scour at Bridges (HEC-18) and Stream Stability at Highway Structures (HEC-20). 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 T5140.20 has since been superseded by T5140.23, Evaluating Scour at Bridges dated October 28, 1991.

FHWA Publication Number: NHI-01-003

Publication Year: 2001

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Other documents in this series:

Current

• Bridge Scour and Stream Instability Countermeasures Experience, Selection, and Design Guidance Second Edition (Errata Sheet)

Archive

• Bridge Scour and Stream Instability Countermeasures (SI)