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 |
|---|---|---|---|---|---|
| HUEBNER CREEK | Texas | Scour Critical — Unaddressed | Fair | 1990 | 31,680 |
| HENRIETTA CR | Texas | Scour Critical — Unaddressed | Poor | 1930 | 27,805 |
| Draw | Texas | Scour Critical — Unaddressed | Fair | 1997 | 21,396 |
| BRAZOS RIVER | Texas | Scour Critical — Unaddressed | Poor | 1994 | 18,866 |
| YELLOW HOUSE DRAW | Texas | Scour Critical — Unaddressed | Fair | 1954 | 14,629 |
| WHITE ROCK CREEK | Texas | Scour Critical — Unaddressed | Poor | 1974 | 14,029 |
| Mountain Creek | Texas | Scour Critical — Unaddressed | Fair | 1967 | 9,569 |
| LITTLE NOLAN CREEK | Texas | Scour Critical — Unaddressed | Fair | 1939 | 8,887 |
| NAVASOTA RIVER | Texas | Scour Critical — Unaddressed | Fair | 1940 | 7,027 |
| Rocky Creek | Texas | Scour Critical — Unaddressed | Poor | 1958 | 5,088 |
| WILLIAMS CREEK | Texas | Scour Critical — Unaddressed | Poor | 1931 | 5,085 |
| MCKIM CREEK | Texas | Scour Critical — Unaddressed | Poor | 1964 | 4,992 |
| DRAW | Texas | Scour Critical — Unaddressed | Fair | 1942 | 4,757 |
| SPRING CREEK | Texas | Scour Critical — Unaddressed | Poor | 1964 | 4,698 |
| Cottonwood Creek | Texas | Scour Critical — Unaddressed | Poor | 1926 | 4,614 |
| DEER CREEK | Texas | Scour Critical — Unaddressed | Poor | 1957 | 3,770 |
| COTTONWOOD CREEK | Texas | Scour Critical — Unaddressed | Fair | 1940 | 3,307 |
| PALO GAUCHO BAYOU | Texas | Scour Critical — Unaddressed | Fair | 1964 | 3,007 |
| Town Branch | Texas | Scour Critical — Unaddressed | Poor | 1935 | 2,970 |
| LITTLE ELM CREEK | Texas | Scour Critical — Unaddressed | Fair | 1948 | 2,025 |
| LAMPASAS RIVER | Texas | Scour Critical — Unaddressed | Fair | 1966 | 1,776 |
| DRAW | Texas | Scour Critical — Unaddressed | Poor | 1972 | 1,472 |
| DRAW | Texas | Scour Critical — Unaddressed | Fair | 1967 | 1,421 |
| Ditch | Texas | Scour Critical — Unaddressed | Poor | 1997 | 1,235 |
| BROOKEEN CREEK | Texas | Scour Critical — Unaddressed | Fair | 1951 | 975 |
| COTTONWOOD CREEK | Texas | Scour Critical — Unaddressed | Poor | 1958 | 887 |
| MENARD CREEK | Texas | Scour Critical — Unaddressed | Poor | 1962 | 844 |
| WEST OUTFALL DITCH | Texas | Scour Critical — Unaddressed | Poor | 1981 | 818 |
| THEUVININS CREEK | Texas | Scour Critical — Unaddressed | Fair | 1958 | 789 |
| SNAKE CREEK | Texas | Scour Critical — Unaddressed | Fair | 1978 | 774 |
| ASH CREEK | Texas | Scour Critical — Unaddressed | Fair | 1949 | 740 |
| Bearpen Creek | Texas | Scour Critical — Unaddressed | Poor | 1989 | 740 |
| LITTLE CYPRESS BAYOU | Texas | Scour Critical — Unaddressed | Poor | 1967 | 677 |
| UNNAMED CREEK | Texas | Scour Critical — Unaddressed | Fair | 2021 | 470 |
| East Amarillo Creek | Texas | Scour Critical — Unaddressed | Fair | 1964 | 405 |
| DRY BRANCH | Texas | Scour Critical — Unaddressed | Fair | 1947 | 400 |
| Drainage Ditch | Texas | Scour Critical — Unaddressed | Poor | 1920 | 376 |
| PECAN CREEK | Texas | Scour Critical — Unaddressed | Fair | 1955 | 293 |
| COTTONWOOD CREEK | Texas | Scour Critical — Unaddressed | Fair | 1956 | 266 |
| Palo Duro Creek | Texas | Scour Critical — Unaddressed | Fair | 1960 | 196 |
| BEE CREEK | Texas | Scour Critical — Unaddressed | Fair | 1990 | 189 |
| LITTLE MINERAL CREEK | Texas | Scour Critical — Unaddressed | Fair | 2009 | 172 |
| DRAW | Texas | Scour Critical — Unaddressed | Fair | 1960 | 137 |
| MIDDLE BOSQUE RIVER | Texas | Scour Critical — Unaddressed | Poor | 1987 | 111 |
| SPRING CREEK | Texas | Scour Critical — Unaddressed | Poor | 1997 | 103 |
| Big Sandy Creek | Texas | Scour Critical — Unaddressed | Poor | 1996 | 100 |
| IRRIGATION CANAL | Texas | Scour Critical — Unaddressed | Poor | 1920 | 100 |
| Chambers Creek | Texas | Scour Critical — Unaddressed | Poor | 2014 | 100 |
| No Name Creek | Texas | Scour Critical — Unaddressed | Fair | 1960 | 95 |
| Birch Creek | Texas | Scour Critical — Unaddressed | Poor | 2015 | 94 |
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.