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 |
|---|---|---|---|---|---|
| PINE BARRON CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1949 | 206 |
| PEA CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1958 | 205 |
| LINDSEY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1958 | 204 |
| PAN CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1952 | 200 |
| SATILPA CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1953 | 200 |
| BLACKWATER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1959 | 200 |
| ELLIOTTS CREEK RELIEF | Alabama | Scour Critical — Countermeasures Installed | Poor | 1960 | 200 |
| WARRICK CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1968 | 200 |
| 5 MILE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1969 | 200 |
| WETWEATHER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1941 | 200 |
| TRIB TO 5 MILE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1979 | 200 |
| COKER CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1954 | 200 |
| CHANNAHATCHEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1963 | 196 |
| ROSWELL CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1948 | 193 |
| IVY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1964 | 192 |
| CUBAHATCHEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1967 | 185 |
| LITTLE BEAR CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1996 | 180 |
| SMITH CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1962 | 175 |
| SKIPPER MILL BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 2001 | 175 |
| POLEY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1964 | 175 |
| TUBBS CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1999 | 175 |
| SIPSEY RIVER | Alabama | Scour Critical — Countermeasures Installed | Fair | 1962 | 168 |
| DRY CREEK - CHEAHA LAKE | Alabama | Scour Critical — Countermeasures Installed | Poor | 1958 | 161 |
| BROCKWAY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1958 | 160 |
| HOG BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1964 | 160 |
| HALAWAKEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1957 | 151 |
| SWIFT CREEK RELIEF | Alabama | Scour Critical — Countermeasures Installed | Fair | 1977 | 151 |
| SWIFT CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1978 | 151 |
| HOLLY CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 2002 | 150 |
| LINDSEY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1957 | 150 |
| LINDSEY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1958 | 150 |
| SIMMONS CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1966 | 150 |
| LITTLE BEAVER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1967 | 150 |
| BRANCH OF BEAVER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1967 | 150 |
| ELLIOTTS CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| BIG SANDY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| BIG BRUSH CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1969 | 150 |
| EAST CHOCTAWHATCHEE | Alabama | Scour Critical — Countermeasures Installed | Good | 1989 | 150 |
| BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1990 | 150 |
| LITTLE COALFIRE CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1994 | 150 |
| RICE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1981 | 144 |
| BEAR CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1959 | 143 |
| BLACKWATER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1933 | 140 |
| LIGHTWOOD KNOT CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1930 | 140 |
| PRESTWOOD CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1996 | 140 |
| BUCK CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1976 | 135 |
| OMUSSEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1963 | 133 |
| LITTLE JUDY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1959 | 132 |
| Proctor Creek | Alabama | Scour Critical — Countermeasures Installed | Fair | 1963 | 131 |
| WELLS CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1966 | 130 |
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.