Selected Projects

► Analysis of 800 Bridges
 

Approximately 84% of the nation’s 600,000 highway bridges in the National Bridge Inventory are built over waterways. The most common cause of bridge failures is floods with the scouring of bridges being the most common cause of flood damage to bridges. Designing bridges to resist scour, evaluating the vulnerability of existing bridges to scour, inspecting bridges for scour, and designing countermeasures for scour has become an important focus area for the Federal Highway Administration (FHWA) as well as owners of bridge over waterways.

Modjeski and Masters designs new bridges to resist scour, evaluates existing bridges and designs countermeasures for bridges adversely affected by scour. We are intimately familiar with FHWA guidelines and processes for evaluating scour at bridges, including:

●   Technical Advisory TA 5140.20, "Scour at Bridges"
●   HEC-18
●   HEC-2
●   WSPRO

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