Scour Critical Bridges in Alabama
450 bridges in Alabama 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 450 bridges in Alabama have been identified as vulnerable to scour damage.
| Bridge | State | Scour Status | Condition | Year Built | ADT |
|---|---|---|---|---|---|
| WELLS CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1966 | 130 |
| FLAT CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1968 | 130 |
| NO NAME CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1983 | 130 |
| LONGS BRANCH | Alabama | Scour Critical — Countermeasures Installed | Poor | 1950 | 129 |
| WHITEWATER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1957 | 125 |
| JACKSON CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1972 | 125 |
| OLUSTEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 2004 | 125 |
| LITTLE CHOC RIVER | Alabama | Scour Critical — Countermeasures Installed | Fair | 1961 | 121 |
| SCHULTZ CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1985 | 120 |
| PINTLALA CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1986 | 118 |
| BOXES CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1954 | 115 |
| CHEWACLA CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1991 | 115 |
| JONES CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1989 | 114 |
| LITTLE JUDY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1964 | 111 |
| HALL CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1974 | 110 |
| NO NAME BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1996 | 110 |
| KELLY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1963 | 108 |
| COAL CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1906 | 106 |
| BIG CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1960 | 105 |
| BRANCH | Alabama | Scour Critical — Countermeasures Installed | Poor | 1936 | 100 |
| DOBBS CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1964 | 100 |
| INDIAN CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1949 | 100 |
| RED CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1964 | 100 |
| BIG ESCAMBIA CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1939 | 100 |
| CHAVERS CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1955 | 100 |
| KINTERBISH CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 2006 | 100 |
| KINTERBISH CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 2006 | 100 |
| NO NAME BRANCH | Alabama | Scour Critical — Countermeasures Installed | Good | 1996 | 100 |
| ROCKEY CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1998 | 100 |
| BRUSH CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 2000 | 100 |
| YELLOWLEAF CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1963 | 99 |
| CLAYBANK CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1988 | 99 |
| BLACK OAK CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1938 | 95 |
| BRANCH | Alabama | Scour Critical — Countermeasures Installed | Poor | 1937 | 92 |
| BRUSHY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1973 | 90 |
| WALLAHTCHEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1973 | 90 |
| WEST CHOCTAWHATCHEE R | Alabama | Scour Critical — Countermeasures Installed | Fair | 1959 | 89 |
| SOUGAHATCHEE BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1970 | 86 |
| CO RT 1150 STREAM | Alabama | Scour Critical — Countermeasures Installed | Poor | 1957 | 83 |
| BIG FLAT CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1948 | 80 |
| NO NAME BRANCH | Alabama | Scour Critical — Countermeasures Installed | Poor | 1971 | 80 |
| INDIAN CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1952 | 80 |
| PINTLALA CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1990 | 80 |
| FIVE RUNS CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1996 | 80 |
| CALLAWAY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1999 | 80 |
| BIG CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1940 | 75 |
| DRY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1996 | 75 |
| BEAVER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1999 | 75 |
| SHILOH SPRING BRACH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1972 | 73 |
| PIGEON CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1900 | 70 |
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.