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 |
|---|---|---|---|---|---|
| RICES CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1969 | 1,050 |
| HORSE PEN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 1,050 |
| CANE CREEK FORK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 1,050 |
| BIG BROWNS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 1,050 |
| CANE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1957 | 1,050 |
| BIG CEDAR CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1976 | 1,050 |
| TRIB TO DEVIL FORK CRK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1958 | 1,050 |
| BEAVERDAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 1,050 |
| COLONELS FORK CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1960 | 1,050 |
| CAMP CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1969 | 1,050 |
| SIMMONS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1983 | 1,050 |
| TRIB TO JAMISON MILL CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1966 | 1,050 |
| SPEARS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1965 | 1,050 |
| MCCASKILL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 1,050 |
| BONEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1983 | 1,050 |
| LOG CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1957 | 1,000 |
| BUSH RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1985 | 1,000 |
| BR TO LITTLE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1984 | 1,000 |
| BR OF BLACK RIVER | South Carolina | Scour Critical — Countermeasures Installed | Good | 1994 | 1,000 |
| BR OF BLACK RIVER | South Carolina | Scour Critical — Countermeasures Installed | Good | 1995 | 1,000 |
| NEALS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 1,000 |
| LANGSTON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1964 | 1,000 |
| LONG LICK BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Good | 1987 | 950 |
| JIMMIES CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1969 | 950 |
| CONRAD CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 950 |
| CARPENTER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1982 | 950 |
| RABON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1989 | 950 |
| MILLWEE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1976 | 950 |
| CUPBOARD CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 950 |
| LAKE SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Good | 1993 | 950 |
| BIG WATEREE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1942 | 900 |
| SOUTH EDISTO RIVER | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1971 | 900 |
| MACEDONIA CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1998 | 900 |
| SOUTH EDISTO RIVER SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1980 | 900 |
| FISHING CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1985 | 900 |
| BUSH RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 900 |
| BR WILDCAT CR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1958 | 900 |
| SCAPE ORE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 2015 | 900 |
| BR OF MINE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 900 |
| TRIB TO PAYNE BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Good | 1994 | 900 |
| BIG BEAVERDAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1971 | 900 |
| LYNCHES RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 900 |
| CANE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1980 | 900 |
| LYNCHES RIVER | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1977 | 850 |
| BR TO LITTLE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1955 | 850 |
| BEAVERDAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1971 | 850 |
| TRIB ENOREE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 850 |
| PUDDING SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1976 | 850 |
| W FORK LITTLE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 850 |
| BR TO BIG ALLISON CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 850 |
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.