FHWA
> Unknown Foundations
Focus Areas
References
About Unknown Foundations
Categorization and Prioritization
Risk Determination References
Determination of Foundation
Positive Discovery
Inference
Determination of Scour Potential Without Determining Foundation
Scour Assessment Processes
Single Span Bridges
Plans of Action for Unknown Foundation Bridges
Guidance for Developing and Implementing Plans of Action for Bridges with Unknown Foundations
Memos
Additional Guidance for Assessment of Bridges Over Waterways with Unknown Foundations
Frequently Asked Questions - Bridges Over Waterways with Unknown Foundations
More
Memos
Research
NCHRP 21-05 Unknown Subsurface Bridge Foundation Testing
Publications
GT-16 - "Determination of Unknown Subsurface Bridge Foundations," NCHRP 21-5 Interim Report Summary
(.pdf, 0.7 mb)
Geophysical Methods
More
Publications
Workshops and Training
2005 Unknown Foundation Summit
Presentation Summaries
Plan of Action Training
Plan of Action Template
Events
Unknown Foundations Webinar 2: Categorization, Thresholds, and Prioritization
, November 24, 2009 - 1:30 pm - 3:00 pm et
All
Events
Sponsors
Bridge Technology
Division Offices
National Highway Institute
Turner Fairbank Highway Research Center
Contacts
Silas Nichols 202-366-1554
Joe Krolak 202-366-4611
Related Sites
Geotech
Hydraulics
Transportation and Highway Related Web Sites
State Transportation Web Sites
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This page last modified on 11/10/09
