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 |
|---|---|---|---|---|---|
| FIVE MILE CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1957 | 15,462 |
| BIG FOSSIL CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1990 | 15,396 |
| JENKINS BRANCH | Texas | Scour Critical, Countermeasures Installed | Fair | 1983 | 15,176 |
| DUCK CREEK | Texas | Scour Critical, Countermeasures Installed | Good | 1972 | 15,097 |
| SAN JACINTO RIVER | Texas | Scour Critical, Countermeasures Installed | Fair | 1968 | 14,511 |
| MORGAN CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1963 | 14,162 |
| WHITE ROCK CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1974 | 13,860 |
| WHITE ROCK CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1989 | 13,860 |
| E.FORK GOOSE CRK | Texas | Scour Critical, Countermeasures Installed | Good | 1994 | 13,859 |
| DRAINAGE DITCH | Texas | Scour Critical, Countermeasures Installed | Fair | 1937 | 13,798 |
| SCHOOL BR | Texas | Scour Critical, Countermeasures Installed | Fair | 1982 | 13,715 |
| ASH CREEK | Texas | Scour Critical, Countermeasures Installed | Good | 1997 | 13,591 |
| TEN MILE CREEK | Texas | Scour Critical, Countermeasures Installed | Poor | 1966 | 13,520 |
| POST OAK CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1971 | 12,948 |
| POST OAK CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1971 | 12,948 |
| LA NANA BAYOU | Texas | Scour Critical, Countermeasures Installed | Fair | 1962 | 12,825 |
| WILLOW CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1982 | 12,614 |
| COTTONWOOD CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1985 | 12,556 |
| JEANS CREEK | Texas | Scour Critical, Countermeasures Installed | Good | 1989 | 12,158 |
| LA NANA CRK | Texas | Scour Critical, Countermeasures Installed | Good | 1975 | 12,115 |
| BUFFALO CREEK RELIEF | Texas | Scour Critical, Countermeasures Installed | Poor | 1930 | 12,005 |
| CLEAR FORK TRINITY RIVER | Texas | Scour Critical, Countermeasures Installed | Fair | 1951 | 11,958 |
| CLEAR FORK TRINITY RIVER | Texas | Scour Critical, Countermeasures Installed | Fair | 1936 | 11,958 |
| JACKSON BRANCH | Texas | Scour Critical, Countermeasures Installed | Fair | 1993 | 11,871 |
| CYPRESS CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1991 | 11,869 |
| WHITE OAK BAYOU | Texas | Scour Critical, Countermeasures Installed | Fair | 1974 | 11,680 |
| WHITE OAK BAYOU | Texas | Scour Critical, Countermeasures Installed | Fair | 1965 | 11,680 |
| Draw | Texas | Scour Critical, Countermeasures Installed | Good | 1966 | 11,605 |
| E FORK GOOSE CRK | Texas | Scour Critical, Countermeasures Installed | Fair | 1965 | 11,387 |
| Leon Creek | Texas | Scour Critical, Countermeasures Installed | Fair | 1959 | 11,202 |
| HUNTER CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1989 | 11,105 |
| BLACK WARRIOR BR | Texas | Scour Critical, Countermeasures Installed | Poor | 1972 | 10,997 |
| INDIAN CREEK | Texas | Scour Critical, Countermeasures Installed | Good | 1932 | 10,888 |
| HCFCD DITCH | Texas | Scour Critical, Countermeasures Installed | Fair | 1987 | 10,697 |
| WOODY BRANCH | Texas | Scour Critical, Countermeasures Installed | Good | 1985 | 10,361 |
| FIVE MILE CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1970 | 10,356 |
| WHITE OAK CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1947 | 10,351 |
| Ten Mile Creek | Texas | Scour Critical, Countermeasures Installed | Fair | 1988 | 10,000 |
| BRADFIELD CREEK | Texas | Scour Critical, Countermeasures Installed | Good | 1973 | 9,995 |
| NFK DBL MTN FK BRAZOS RI | Texas | Scour Critical, Countermeasures Installed | Fair | 1953 | 9,942 |
| HCFCD DITCH | Texas | Scour Critical, Countermeasures Installed | Fair | 1979 | 9,939 |
| HCFCD DITCH | Texas | Scour Critical, Countermeasures Installed | Fair | 1979 | 9,939 |
| POST OAK CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1930 | 9,804 |
| WHITE ROCK CK RELIEF | Texas | Scour Critical, Countermeasures Installed | Fair | 1986 | 9,483 |
| RICKETTS BRANCH | Texas | Scour Critical, Countermeasures Installed | Fair | 1964 | 9,212 |
| LAKE CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1938 | 9,132 |
| PELICAN ISLAND CHAN | Texas | Scour Critical, Countermeasures Installed | Poor | 1960 | 9,100 |
| SAN ANTONIO RIVER | Texas | Scour Critical, Countermeasures Installed | Fair | 1954 | 8,973 |
| BLUFF CREEK | Texas | Scour Critical, Countermeasures Installed | Fair | 1947 | 8,932 |
| GUADALUPE RIVER | Texas | Scour Critical, Countermeasures Installed | Fair | 1962 | 8,716 |
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.