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 |
|---|---|---|---|---|---|
| POLEY CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1963 | 440 |
| BLACKWOOD CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1957 | 439 |
| CANE CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1989 | 425 |
| SOFKAHATCHEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1975 | 420 |
| CONECUH RIVER | Alabama | Scour Critical — Countermeasures Installed | Good | 2003 | 420 |
| WHITEWATER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1965 | 414 |
| BLACKWATER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1975 | 400 |
| CRAWFORD CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 2000 | 400 |
| LUBBUB CREEK RELIEF | Alabama | Scour Critical — Countermeasures Installed | Good | 1999 | 400 |
| BEAVER CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1995 | 400 |
| HIGH LOG CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1997 | 400 |
| CO RD 431 CHESTNUT CRK | Alabama | Scour Critical — Countermeasures Installed | Good | 1981 | 400 |
| LUBBUB CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1999 | 400 |
| BLACKWATER CREEK RELIEF | Alabama | Scour Critical — Countermeasures Installed | Fair | 1970 | 400 |
| DOUBLE BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1973 | 400 |
| INDIAN BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1965 | 390 |
| MUDDY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1994 | 390 |
| CREEPING SWAMP CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 2003 | 385 |
| ESCATAWPA RIVER | Alabama | Scour Critical — Countermeasures Installed | Good | 2003 | 385 |
| CUT BANK CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 2004 | 380 |
| SAMSON BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1951 | 375 |
| DOUBLE BRIDGES CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1968 | 375 |
| TRUSSELL CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1993 | 368 |
| HALL CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1960 | 365 |
| ISBELL BRANCH | Alabama | Scour Critical — Countermeasures Installed | Poor | 1940 | 350 |
| PEA RIVER | Alabama | Scour Critical — Countermeasures Installed | Good | 1990 | 350 |
| TRIB TO MULBERRY CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1989 | 350 |
| CALEBEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1958 | 350 |
| NO NAME STREAM | Alabama | Scour Critical — Countermeasures Installed | Fair | 1968 | 350 |
| TARVER CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 1998 | 350 |
| NO NAME BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1997 | 350 |
| GIN CREEK | Alabama | Scour Critical — Countermeasures Installed | Good | 2001 | 350 |
| PEA RIVER | Alabama | Scour Critical — Countermeasures Installed | Fair | 1990 | 350 |
| CHANNAHATCHEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1974 | 350 |
| LITTLE KIN CK | Alabama | Scour Critical — Countermeasures Installed | Good | 1952 | 345 |
| OHATCHEE CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1989 | 344 |
| SPRING CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 2004 | 339 |
| JOHNSON CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1952 | 335 |
| LITTLE JUDY CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1973 | 334 |
| CHEWACLA CREEK REL | Alabama | Scour Critical — Countermeasures Installed | Fair | 1961 | 325 |
| CHEWACLA CREEK | Alabama | Scour Critical — Countermeasures Installed | Poor | 1961 | 325 |
| UNNAMED BRANCH | Alabama | Scour Critical — Countermeasures Installed | Poor | 1961 | 325 |
| CAMPGROUND BRANCH | Alabama | Scour Critical — Countermeasures Installed | Fair | 1962 | 325 |
| DAY BRANCH | Alabama | Scour Critical — Countermeasures Installed | Poor | 1965 | 324 |
| ROBINSON BRANCH | Alabama | Scour Critical — Countermeasures Installed | Good | 1954 | 315 |
| DIXON MILL CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1959 | 310 |
| FIVE RUNS CREEK | Alabama | Scour Critical — Countermeasures Installed | Fair | 1963 | 310 |
| CONECUH RIVER RELIEF | Alabama | Scour Critical — Countermeasures Installed | Good | 2007 | 305 |
| CONECUH RIVER | Alabama | Scour Critical — Countermeasures Installed | Good | 2006 | 305 |
| PEA RIVER | Alabama | Scour Critical — Countermeasures Installed | Fair | 1974 | 300 |
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.