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 |
|---|---|---|---|---|---|
| BEAR CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1979 | 75 |
| MINE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1986 | 75 |
| CALS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1989 | 75 |
| JUMPING RUN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1954 | 50 |
| N SALUDA RIVER SPILLWAY | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1956 | 50 |
| BRIDGE TO CYPER CR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1957 | 50 |
| TRIB TO CANNONS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1959 | 50 |
| MOUNTAIN LAKES | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 50 |
| MOUNTAIN LAKES | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 50 |
| ROBERTS SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 50 |
| TRIB TO LTL SALUDA RV | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 50 |
| BR OF PERSIMMON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 50 |
| ROCKY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1961 | 50 |
| SECOND CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1961 | 50 |
| LEE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1962 | 50 |
| DUNN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 50 |
| PENN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 50 |
| BR. TO HELLERS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1966 | 50 |
| HELLERS CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1966 | 50 |
| BRYSON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1966 | 50 |
| STOVER BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 50 |
| LITTLE ROCKY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 50 |
| TRIB TO LITTLE ROCKY CR | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1967 | 50 |
| CALLABASH BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 50 |
| TRIB TO FOUR HOLE SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1968 | 50 |
| TRIB TO BIG CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 50 |
| GILL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1969 | 50 |
| SANDY RIVER | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1970 | 50 |
| BEAVERDAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 50 |
| RICHLAND BR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 50 |
| RICHLAND BR | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1972 | 50 |
| MITCHELL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 50 |
| MOUNTAIN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1973 | 50 |
| GIN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 50 |
| UNNAMED STREAM | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 50 |
| BR BUFFALO CR. | South Carolina | Scour Critical — Countermeasures Installed | Good | 1975 | 50 |
| TRIB TO BROAD RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1976 | 50 |
| LITTLE BROWN CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 50 |
| BR LITTLE BROWN CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 50 |
| MUD CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1977 | 50 |
| TRIB TO PENN BR | South Carolina | Scour Critical — Countermeasures Installed | Good | 1981 | 50 |
| TRIB TO SIX TWENTY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 2012 | 50 |
| CUNNING FORD CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1955 | 25 |
| GAULT CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 25 |
| FORK BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 25 |
| BR TO HARD LABOR CR. | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 25 |
| BR OF TURKEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 25 |
| BR CYPER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 25 |
| BR OF TURKEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 25 |
| WHITE OAK CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 25 |
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.