Scour Critical Bridges in Texas

3,912 bridges in Texas at risk from water erosion around foundations.

Scour Critical Bridges

Scour is the erosion of soil and rock around a bridge's foundation caused by moving water. When foundations are exposed or undermined, a bridge can collapse even if its deck and superstructure are in good condition. Scour is the leading cause of bridge failures in the US. These 3,912 bridges in Texas have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
WAFER CREEK Texas Scour Critical, Countermeasures Installed Fair 2011 20
Red Deer Creek Texas Scour Critical, Countermeasures Installed Good 1975 15
N FORK MUSTANG CREEK Texas Scour Critical, Countermeasures Installed Fair 1961 15
SAN PEDRO CREEK Texas Scour Critical, Countermeasures Installed Fair 1998 12
HENSON CREEK Texas Scour Critical, Countermeasures Installed Fair 2008 10
MUD CREEK Texas Scour Critical, Countermeasures Installed Fair 1930 10
SANDIES CREEK Texas Scour Critical, Countermeasures Installed Poor 1983 10
DRAW Texas Scour Critical, Countermeasures Installed Fair 1999 10
DRAINAGE DITCH Texas Scour Critical, Countermeasures Installed Poor 1965 10
S FORK CHAMBERS CREEK Texas Scour Critical, Countermeasures Installed Poor 1989 10
MIDDLE KICKAPOO CREEK Texas Scour Critical, Countermeasures Installed Fair 1956 9
NICIPER CREEK Texas Scour Critical, Countermeasures Installed Good 2011 4

Scour Critical Rating Codes

Code 2, UnaddressedBridge is scour critical with no countermeasures installed. The foundation is vulnerable and no protective action has been taken.
Code 3, Countermeasures InstalledProtective measures (riprap, sheet piling, etc.) have been installed to reduce scour risk, but the bridge remains classified as scour critical.
Code 6, Countermeasures IneffectiveProtective measures were installed but have been assessed as ineffective. The bridge requires re-evaluation and additional action.

About Scour Critical Bridges

Scour critical bridges have been identified through underwater inspection or analysis as having foundations that are unstable or could become unstable during flood conditions. FHWA requires action plans for all scour critical bridges. Famous scour failures include the 1987 Schoharie Creek Bridge collapse in New York.