Scour Plans of Action and Unknown Foundations. Timothy Rogers FHWA Oregon Division Bridge Engineer Local Agency Bridge Design and Inspection January 8, 2010 Oregon State University, Corvallis, Oregon. What is a bridge? Federal definition is 20 feet and longer What is scour?
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Scour Plans of Actionand Unknown Foundations
FHWA Oregon Division Bridge Engineer
Local Agency Bridge Design and Inspection
January 8, 2010
Oregon State University, Corvallis, Oregon
FHWA POA Template
Part 6 (continued)
Part 7 (continued)
For bridges that will remain coded U, FHWA recommends that a POA be developed and implemented until:
a) properly designed countermeasures can be installed to protect the bridge foundations
b) the bridge can be replaced
FHWA guidance is intended to offer a rational approach for:
a) determining enough about bridge foundations to conduct a scour evaluation, or
b) appropriately address bridges that will remain coded U