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 |
|---|---|---|---|---|---|
| TRIB-BENS CK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1993 | 150 |
| UNNAMED STREAM | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 150 |
| HORSEPEN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1987 | 150 |
| CEDAR CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1994 | 150 |
| GREGORY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1967 | 150 |
| LITTLE RIVER -LO LINE BR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| PONDERS BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| BROWNS BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| CLINTON BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| CUNNING FORD CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| BR OF ENOREE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| LITTLE CHOESTOEA CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1968 | 150 |
| CLOUDS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| BR TO SALUDA RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| BR. MANCHESTER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 150 |
| PUDDING SWAMP NO. 2 | South Carolina | Scour Critical — Countermeasures Installed | Good | 1996 | 150 |
| HAMMOND BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 150 |
| PERKINS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 150 |
| INDIAN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 150 |
| INDIAN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 150 |
| BR TO INDIAN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 150 |
| MILL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 150 |
| DUNNS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1971 | 150 |
| WARRIOR CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1971 | 150 |
| REBECCA | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1971 | 150 |
| BR TO BUCKHORN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1971 | 150 |
| GRAYS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 150 |
| MIDDLE TYGER RIVER | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1972 | 150 |
| TRIB MIDDLE TYGER RV | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 150 |
| TRIB TO KINLEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 150 |
| BAKER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1975 | 150 |
| MILL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1976 | 150 |
| HANNAH CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 150 |
| TRIB TO CARPENTER CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1979 | 150 |
| WILSON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1980 | 150 |
| WHIPPY SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1993 | 150 |
| TOWN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1987 | 131 |
| REEDY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1956 | 125 |
| SECOND CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 125 |
| BAILEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 125 |
| PARK CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1967 | 125 |
| LONG CANE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 125 |
| COOSAWHATCHIE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 125 |
| TRIB TO ROCKY CR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 125 |
| LEMON SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1979 | 125 |
| LEMON SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1979 | 125 |
| BYRD CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1979 | 125 |
| JOHNSON CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 2014 | 125 |
| BR OF THICKETTY CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1980 | 125 |
| TRIB TO REEDY CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1980 | 125 |
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.