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 |
|---|---|---|---|---|---|
| GEORGES CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1985 | 200 |
| BR OF CANNON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1962 | 200 |
| TRIB TO 18 MI CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1962 | 200 |
| TRIB TO SAVANNAH RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1963 | 200 |
| BR OF SUCK CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1963 | 200 |
| TRIB TO FISHING CR | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1963 | 200 |
| TRIB TO FISHING CR | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1963 | 200 |
| REEVES CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 2005 | 200 |
| GILDERS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1963 | 200 |
| BEAVER DAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1964 | 200 |
| FRIPP INLET | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1963 | 200 |
| GIBSON BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 200 |
| MANNS BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1965 | 200 |
| BIG CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1989 | 200 |
| BURRIS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1989 | 200 |
| LITTLE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1966 | 200 |
| BR TO REEDY RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1992 | 200 |
| WHETSTONE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1978 | 200 |
| BR OF SAWNEYS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 200 |
| BEARDS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1998 | 200 |
| TRIB TO 18 MILE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1970 | 200 |
| BR TO REEDY RIVER | South Carolina | Scour Critical — Countermeasures Installed | Good | 1999 | 200 |
| COOSAWHATCHIE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1971 | 200 |
| SOUTH RABON CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1971 | 200 |
| TRIB ROCKY BOTTOM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1968 | 200 |
| SHOAL CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1988 | 200 |
| BEAVER DAM CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1974 | 200 |
| ROCKY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1974 | 200 |
| FISHING CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1975 | 200 |
| CUFFYTOWN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 200 |
| LITTLE COWHEAD CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 200 |
| SPEER CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1988 | 200 |
| BR TO ENOREE RIVER | South Carolina | Scour Critical — Countermeasures Installed | Good | 2006 | 200 |
| BR TO WARRIOR CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1990 | 200 |
| REEDY BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1977 | 200 |
| TRIB CONEROSS CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 200 |
| BR TO THICKETTY CK | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1992 | 200 |
| DUNCAN CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1991 | 200 |
| OCONEE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1951 | 175 |
| LITTLE SALKEHATCHIE RIVE | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1953 | 175 |
| BULL SWAMP | South Carolina | Scour Critical — Countermeasures Installed | Fair | 2003 | 175 |
| MCCLURES BRANCH | South Carolina | Scour Critical — Countermeasures Installed | Poor | 1955 | 175 |
| MILLS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 175 |
| BR OF LONG CANE CR. | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1960 | 175 |
| CATTLE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1994 | 175 |
| MULBERRY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 175 |
| BUSHY CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1975 | 175 |
| MORRIS CREEK | South Carolina | Scour Critical — Countermeasures Installed | Good | 1989 | 175 |
| TRIB TO CAMPING CK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1980 | 175 |
| WHETSTONE CREEK | South Carolina | Scour Critical — Countermeasures Installed | Fair | 1977 | 175 |
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.