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 |
|---|---|---|---|---|---|
| Taber Branch | Texas | Scour Critical — Countermeasures Ineffective | Good | 2014 | 1,058 |
| LEGG CREEK | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1957 | 1,056 |
| SALT BRANCH CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 2009 | 1,052 |
| CANEY CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 2007 | 1,050 |
| CHOCTAW CRK REL | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1958 | 1,042 |
| NORTH CANEY CREEK RELIEF | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1954 | 1,038 |
| NORTH CANEY CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 2011 | 1,038 |
| BRUSHY CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 1969 | 1,038 |
| BRANCH BRUSHY CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 1991 | 1,032 |
| LITTLE WHITE OAK BAYOU | Texas | Scour Critical — Countermeasures Ineffective | Good | 1989 | 1,030 |
| SHARPSTOWN DITCH | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1970 | 1,030 |
| HOLLIDAY CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 1999 | 1,028 |
| HICKORY CREEK | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1954 | 1,024 |
| SOUTH SULPHUR RIV RELIEF | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1977 | 1,023 |
| HCFCD DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 1986 | 1,020 |
| BIG CREEK | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1968 | 1,013 |
| DRAW | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1947 | 1,013 |
| DRAW | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1976 | 1,013 |
| SOUTH BRANCH PINE CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 2001 | 1,007 |
| MORRIS CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 1951 | 1,003 |
| BIRCH CREEK | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1958 | 1,002 |
| HCFCD DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 2007 | 1,000 |
| ARMAND BYU TRIB (B113) | Texas | Scour Critical — Countermeasures Ineffective | Fair | 2009 | 1,000 |
| DRAINAGE DITCH | Texas | Scour Critical — Countermeasures Ineffective | Fair | 2007 | 1,000 |
| WILLOW FLATS | Texas | Scour Critical — Countermeasures Ineffective | Good | 2015 | 1,000 |
| ARMAND BAYOU | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1965 | 1,000 |
| ROSILLO CR TRIB A | Texas | Scour Critical — Countermeasures Ineffective | Good | 2016 | 1,000 |
| WHITE OAK CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 2016 | 1,000 |
| TR LAKE ARLINGTON | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1969 | 1,000 |
| DRAINAGE DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 2010 | 1,000 |
| HCFCD DITCH | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1989 | 1,000 |
| WEST CANAL | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1953 | 1,000 |
| LITTLE VINCE BAYOU | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1979 | 1,000 |
| DRAINAGE DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 1994 | 1,000 |
| HCFCD DITCH U106-10-00 | Texas | Scour Critical — Countermeasures Ineffective | Good | 2003 | 1,000 |
| HCFCD DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 2000 | 1,000 |
| HCFCD DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 1950 | 1,000 |
| WEST CANAL | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1953 | 1,000 |
| WEST CANAL | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1953 | 1,000 |
| HCFCD DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 1987 | 1,000 |
| WEST CANAL | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1953 | 1,000 |
| DRAINAGE DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 1989 | 1,000 |
| HCFCD DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 1990 | 1,000 |
| HCFCD DITCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 1987 | 1,000 |
| SEARS BRANCH | Texas | Scour Critical — Countermeasures Ineffective | Good | 2024 | 1,000 |
| BIG CRK | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1942 | 996 |
| DENTON CRK | Texas | Scour Critical — Countermeasures Ineffective | Fair | 1942 | 996 |
| SABINAL RIVER | Texas | Scour Critical — Countermeasures Ineffective | Good | 1987 | 992 |
| WILLAWALLA CREEK | Texas | Scour Critical — Countermeasures Ineffective | Good | 2007 | 990 |
| SABINE RIVER RELIEF NO 2 | Texas | Scour Critical — Countermeasures Ineffective | Good | 1996 | 986 |
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.