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 TO BUCK CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1971 | 500 |
| COOSAWHATCHIE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Good | 1975 | 500 |
| WOLFE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1963 | 500 |
| UNNAMED STREAM | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 500 |
| QUARTER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1987 | 500 |
| JAMISON MILL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1966 | 500 |
| ENOREE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1966 | 500 |
| BR. CATAWBA RIVER | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1966 | 500 |
| BIG ROCKY CR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1968 | 500 |
| TRIB TO ENOREE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Good | 1979 | 500 |
| BR-S TYGER RIV | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1956 | 475 |
| TRIB ENOREE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1956 | 475 |
| LITTLE CEDAR CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 475 |
| NORTH EDISTO RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1996 | 475 |
| CARPENTER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1963 | 475 |
| BR OF GILKEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 475 |
| BIG OTTER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 475 |
| BR OF NINETY SIX CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1966 | 475 |
| KINGS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1986 | 475 |
| STREAM | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 475 |
| LITTLE HORSE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 475 |
| BR TO BIG ALLISON CR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1971 | 475 |
| BIG GARVIN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1969 | 475 |
| TRIB TO SALUDA RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1969 | 475 |
| TRIB TO SALUDA RIVER | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1969 | 475 |
| WAMBAW CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 2005 | 450 |
| CROOKED CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1954 | 450 |
| PACOLET RIVER | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1955 | 450 |
| JAMISON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1955 | 450 |
| BUCKHEAD CREEK (1) | South Carolina | Scour Critical — Countermeasures Installed | Good | 1974 | 450 |
| BEAVER DAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1960 | 450 |
| CROWDERS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1972 | 450 |
| BUCKHEAD CREEK (2) | South Carolina | Scour Critical — Countermeasures Installed | Good | 1974 | 450 |
| BURGIS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1967 | 450 |
| TINKERS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1981 | 450 |
| TRIB CATAWBA RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1971 | 450 |
| NEELYS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1969 | 450 |
| TURKEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1929 | 425 |
| TRIB TO OCONEE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1976 | 425 |
| BELL BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1956 | 425 |
| MITCHELL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1957 | 425 |
| HARMON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1958 | 425 |
| LITTLE SALUDA RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1961 | 425 |
| SUGAR CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1986 | 425 |
| MOUNTAIN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1984 | 425 |
| MOBLEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1966 | 425 |
| PENN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 425 |
| LAKE SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1982 | 425 |
| BRANCH SANDY RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1988 | 425 |
| BRIER BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1969 | 425 |
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.