Scour Critical Bridges in South Carolina
1,263 bridges in South Carolina 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 1,263 bridges in South Carolina have been identified as vulnerable to scour damage.
| Bridge | State | Scour Status | Condition | Year Built | ADT |
|---|---|---|---|---|---|
| PUDDING SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1976 | 850 |
| BR TO BIG ALLISON CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 850 |
| TRIB ENOREE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 850 |
| TRIB N. TYGER RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 850 |
| GILLS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1966 | 850 |
| LITTLE GENEROSTEE CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1988 | 800 |
| BEAVERDAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1979 | 800 |
| WEAVER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1978 | 800 |
| GOLDEN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1955 | 800 |
| HEN COOP CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 800 |
| TRIB TO 12 MILE CR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 800 |
| ROCKY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1968 | 800 |
| KINGS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1979 | 800 |
| OCONEE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1959 | 800 |
| SWEETWATER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1976 | 800 |
| N.FORK LITTLE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 800 |
| BR OF BLACK RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1995 | 800 |
| JUMPING RUN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 2016 | 800 |
| SHOALLY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1961 | 800 |
| HANNAHS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 800 |
| COLONEL FORK CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1975 | 800 |
| JUNEBURN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 800 |
| TRIB TO GRIST BR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 800 |
| PARKERS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 800 |
| BARKERS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1966 | 800 |
| BLUE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1986 | 800 |
| NINETY-SIX CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 800 |
| CHOESTOEA CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1966 | 800 |
| WEAVER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 800 |
| CROOKED RUN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1981 | 750 |
| EDISTO RIVER | South Carolina | Scour Critical — Countermeasures Installed | Good | 1980 | 750 |
| SMALL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 750 |
| BEAVERDAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1957 | 750 |
| BEECH CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1982 | 750 |
| WEST CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 750 |
| TRIB REEDY RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1969 | 750 |
| LONG BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 750 |
| EIGHTEEN MILE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1978 | 750 |
| TRIB TO WATEREE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1963 | 750 |
| BR MANCHESTER CR | South Carolina | Scour Critical — Countermeasures Installed | Good | 1976 | 750 |
| HICKLIN BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 750 |
| TURKEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 750 |
| BEAVERDAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1966 | 750 |
| TRIB TO CRANE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1982 | 750 |
| TRIB TO LITTLE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1956 | 700 |
| TRIB TO LITTLE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1956 | 700 |
| TRIB TO LITTLE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1956 | 700 |
| WATERMELON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1980 | 700 |
| E. BR OF WILSON CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1986 | 700 |
| OIL CAMP CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1978 | 700 |
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.