Bridge Scour
Principal Documents
Policy
- Additional Guidance for Assessment of Bridges Over Waterways with Unknown Foundations (10/29/2009)
- Frequently Asked Questions - Bridges Over Waterways with Unknown Foundations (06/03/2009)
- Revision of Coding Guide, Item 113 - Scour Critical Bridges (04/27/2001)
- Agreement for the Implementation of Scour Countermeasures to Protect Foundations of Scour Critical Bridges (02/11/1997)
Guidance
- Guidance on Applying Risk Based, Data Driven Decision-Making Process to the FHWA Scour Program (04/09/2012)
- Compliance with the National Bridge Inspection Standards - Background/Plan of Action for Scour Critical Bridges/Scour Focus States/Item 113 Coding Issues/Unknown Foundations/Tidal Bridges (03/23/2006)
- Compliance with the National Bridge Inspection Standards - Plan of Action for Scour Critical Bridges (03/29/2005)
- Evaluating Scour at Bridges (T 5140.23) (10/28/1991)
Publications
- HEC 18 - Evaluating Scour at Bridges (5th edition) (April, 2012)
- Geotechnical Guideline No. 16 - Determination of Unknown Subsurface Bridge Foundations (08/27/1998)
Training & Workshops
- NHI 135046 - Stream Stability and Scour at Highway Bridges
- NHI 135047 - Stream Stability and Scour at Highway Bridges for Bridge Inspectors
- NHI 135085 - Plan of Action (POA) for Scour Critical Bridges - WEB-BASED
- NHI 135087 - Scour at Highway Bridges: Concepts and Definitions (Prerequisite) - WEB-BASED
- All training
Software
Archived Documents
- Scourability of Rock Formations (07/19/1991)
- Compliance with the National Bridge Inspection Standards -- Scour Evaluations (07/16/2003)
- Compliance with the National Bridge Inspection Standards; Plan of Action for Scour Critical Bridges (07/24/2003)
- National Bridge Inspection Standards - Scour Evaluations and Plans of Action for Scour Critical Bridges (01/04/2008)
- National Bridge Inspection Standards - Scour Evaluation and Plans of Action for Scour Critical Bridges (01/04/2008)
- Technical Guidance for Bridges over Waterways with Unknown Foundations (01/09/2008)