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 |
|---|---|---|---|---|---|
| BR OF THREE & TWENTY CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1986 | 275 |
| TRIB TO FISHING CR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 275 |
| MULBERRY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 275 |
| TRIB TO BUSH RIVER #1 | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1981 | 275 |
| THICKETTY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 2016 | 275 |
| THICKETTY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 275 |
| BURNT MILL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 275 |
| GILL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 275 |
| BEAR SWAMP -1 | South Carolina | Scour Critical — Countermeasures Installed | Good | 2016 | 275 |
| TRIB TO GREEN CK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1987 | 275 |
| MILLS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1955 | 250 |
| MCCLURE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1958 | 250 |
| CUFFEYTOWN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1982 | 250 |
| BRUSHY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1986 | 250 |
| SOUTH SALUDA RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1961 | 250 |
| BR TO ROCKY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1978 | 250 |
| LITTLE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 250 |
| HOLLOW CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1963 | 250 |
| BURNT MILL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1989 | 250 |
| BR. TO CUFFEYTOWN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 250 |
| TRIB TO MIDDLE TYGER RIV | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1965 | 250 |
| WARRIOR CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1988 | 250 |
| RAFTING CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1981 | 250 |
| TWO MILE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1969 | 250 |
| BEAVERDAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1986 | 250 |
| PHILLIPS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 250 |
| TWENTY FIVE MILE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1975 | 250 |
| ISLAND CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1982 | 225 |
| ROCKY RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1955 | 225 |
| SOUTH TYGER RIV TRIB | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1981 | 225 |
| SPIVEY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1955 | 225 |
| TRIB TO ISLAND CK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1982 | 225 |
| ACADEMY BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1956 | 225 |
| TRIB TO MIDDLE FORK CR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1989 | 225 |
| BR OF LICK CK. | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 225 |
| WALNUT CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 225 |
| BIG BEAVERDAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1986 | 225 |
| BEAVER DAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 225 |
| LITTLE DUTCHMAN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 225 |
| PRATERS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 225 |
| TWELVE MILE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1965 | 225 |
| MEADOW CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 225 |
| TRIB NORTH PACOLET RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1983 | 225 |
| HEN COOP CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 225 |
| BR CATAWBA RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1980 | 225 |
| WRIGHTS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1972 | 225 |
| NORTH TIGER RIV | South Carolina | Scour Critical — Countermeasures Installed | Good | 1974 | 225 |
| LAWSON FORK CR | South Carolina | Scour Critical — Countermeasures Installed | Good | 1974 | 225 |
| BR OF LOVE BR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 225 |
| HORSE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1982 | 225 |
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.