|Scour Technology | Bridge Hydraulics | Culvert Hydraulics | Highway Drainage | Hydrology | Environmental Hydraulics|
|FHWA > Engineering > Hydraulics > Bridge Hydraulics > POA's > Strategies for Developing a POA|
Strategies for Developing a Plan of Action
Box 1: Scour Assessment (Item 113) shows the structure is scour critical?
Box 2: Is the foundation material highly erodible?
Box 3: Have scour countermeasures been installed?
Box 4 Bent/Pier soundings during high water events.
Box 5: Is there evidence of on-site localized scour?
Box 6: Maintenance personnel check during high water events
Box 7: The bridge has a history of drift accumulation
Box 8: Maintenance personnel check during high water events
Box 1 to Box 2
Box 2 to Box 3, if N to Box 5
Box 3 to Box 4, if N to Box 5
Box 5 if Y to Box 6, if N to Box 7
Box 7 if Y to Box 6, if N to Box 8