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.
| Bridge | State | Scour Status | Condition | Year Built | ADT |
|---|---|---|---|---|---|
| MILL CREEK | Texas | Scour Critical — Unaddressed | Poor | 1983 | 81 |
| Click Creek | Texas | Scour Critical — Unaddressed | Poor | 1990 | 80 |
| Stout Cr | Texas | Scour Critical — Unaddressed | Fair | 1990 | 79 |
| SANDY CREEK | Texas | Scour Critical — Unaddressed | Poor | 1990 | 75 |
| ROCKY BRANCH | Texas | Scour Critical — Unaddressed | Poor | 2013 | 50 |
| BETTY LOGAN CREEK | Texas | Scour Critical — Unaddressed | Poor | 1931 | 50 |
| ROCKY CREEK | Texas | Scour Critical — Unaddressed | Poor | 1988 | 41 |
| MEDINA RIVER | Texas | Scour Critical — Unaddressed | Poor | 1940 | 38 |
| BEAR CREEK | Texas | Scour Critical — Unaddressed | Fair | 2003 | 38 |
| CANEY CREEK | Texas | Scour Critical — Unaddressed | Fair | 1970 | 35 |
| BROWN CREEK | Texas | Scour Critical — Unaddressed | Fair | 1998 | 32 |
| OLD ZION CREEK | Texas | Scour Critical — Unaddressed | Fair | 1985 | 32 |
| ROSEY BAYOU | Texas | Scour Critical — Unaddressed | Fair | 1987 | 32 |
| CLEAR FORK | Texas | Scour Critical — Unaddressed | Poor | 2011 | 32 |
| RICHLAND CREEK | Texas | Scour Critical — Unaddressed | Fair | 2016 | 30 |
| Little Sandy Creek | Texas | Scour Critical — Unaddressed | Poor | 1990 | 30 |
| DRAW | Texas | Scour Critical — Unaddressed | Poor | 1991 | 30 |
| TRIBUTARY OF DEER CREEK | Texas | Scour Critical — Unaddressed | Poor | 2005 | 27 |
| TRIB DRY SALT CREEK | Texas | Scour Critical — Unaddressed | Fair | 2010 | 24 |
| Palo Duro Creek | Texas | Scour Critical — Unaddressed | Fair | 1950 | 22 |
| Snow Creek | Texas | Scour Critical — Unaddressed | Fair | 1992 | 20 |
| DRAW | Texas | Scour Critical — Unaddressed | Poor | 1936 | 14 |
| ELM FORK TRINITY RIVER | Texas | Scour Critical — Unaddressed | Poor | 1986 | 10 |
| CLEAR CREEK DRAW | Texas | Scour Critical — Unaddressed | Fair | 2013 | 5 |
| Fork of Palo Duro Creek | Texas | Scour Critical — Unaddressed | Fair | 1960 | 3 |
| Drainage Ditch | Texas | Scour Critical — Countermeasures Ineffective | Good | 2005 | 373,095 |
| SPRING CR | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1990 | 243,893 |
| SPRING CR REL | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1990 | 243,893 |
| SPRING CR REL | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1990 | 243,893 |
| DRAINAGE DITCH | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1926 | 243,893 |
| TIMBER CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 2007 | 225,364 |
| HCFCD CHANNEL A-119-06 | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1994 | 224,891 |
| DRAINAGE DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 1998 | 215,954 |
| SILVERDALE CRK | Texas | Scour Critical — Countermeasures Ineffective | Good | 2007 | 201,083 |
| DRAIN | Texas | Scour Critical — Countermeasures Ineffective | Good | 2000 | 197,395 |
| HCFCD DITCH A-119-05-00 | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1994 | 196,996 |
| Knights Branch | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1959 | 194,462 |
| HCFCD Ditch A119-02-00 | Texas | Scour Critical — Countermeasures Ineffective | Good | 2016 | 193,996 |
| HCFCD Ditch A119-12-00 | Texas | Scour Critical — Countermeasures Ineffective | Good | 2015 | 193,665 |
| HCFCD Ditch A119 13 00 | Texas | Scour Critical — Countermeasures Ineffective | Good | 2015 | 193,665 |
| WHITE ROCK CREEK BRANCH | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1953 | 187,971 |
| HCFCD DITCH A-119-07-00 | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1993 | 184,745 |
| STORM SEWER CROSSING | Texas | Scour Critical — Countermeasures Ineffective | Good | 2016 | 184,461 |
| Storm Sewer Lateral | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1970 | 183,561 |
| Draw | Texas | Scour Critical — Countermeasures Ineffective | Poor | 1969 | 182,015 |
| LITTLE WHITE OAK BYU | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1960 | 179,357 |
| CARTERS SLOUGH Trib | Texas | Scour Critical — Countermeasures Ineffective | Good | 2001 | 170,688 |
| Carters Slough | Texas | Scour Critical — Countermeasures Ineffective | Good | 1990 | 170,688 |
| GOODYEAR CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 1983 | 170,605 |
| WEST CANAL | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1950 | 170,605 |
Scour Critical Rating Codes
| Code 2 — Unaddressed | Bridge is scour critical with no countermeasures installed. The foundation is vulnerable and no protective action has been taken. |
| Code 3 — Countermeasures Installed | Protective measures (riprap, sheet piling, etc.) have been installed to reduce scour risk, but the bridge remains classified as scour critical. |
| Code 6 — Countermeasures Ineffective | Protective 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.