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.

Clear
Bridge State Scour Status Condition Year Built ADT
TRIB TO SCOTTS CK South Carolina Scour Critical — Countermeasures Installed Fair 1957 100
HOBSON CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1957 100
ROCKY CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1960 100
ABINGDON CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1961 100
WELCH CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1961 100
HELLERS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1962 100
BIG CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1962 100
TURKEY CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1963 100
SOUTH FORK CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1965 100
BRANCH OF BIG CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1965 100
UNNAMED South Carolina Scour Critical — Countermeasures Installed Poor 1966 100
BR OF HOGSKIN CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1967 100
MANGUM BRANCH South Carolina Scour Critical — Countermeasures Installed Poor 1967 100
BR TO LAKE GREENWOOD South Carolina Scour Critical — Countermeasures Installed Fair 1967 100
WILEY CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1968 100
LOG CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1969 100
BR GRANNIES QUARTER CK South Carolina Scour Critical — Countermeasures Installed Fair 1970 100
WEST CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1971 100
TRIB THREE & TWENTY CK South Carolina Scour Critical — Countermeasures Installed Fair 1975 100
MILL CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1975 100
LITTLE RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1975 100
CONRAD CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1976 100
HALFWAY SWAMP South Carolina Scour Critical — Countermeasures Installed Fair 1979 100
CYPRESS SWAMP -NO.1 South Carolina Scour Critical — Countermeasures Installed Fair 1981 100
TRIB TO FORK CREEK South Carolina Scour Critical — Countermeasures Installed Good 1989 100
TRIB TO SALUDA RIVER South Carolina Scour Critical — Countermeasures Installed Good 1989 100
BYRD CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1957 75
GARRISON CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1959 75
BR OF LONG CANE CK South Carolina Scour Critical — Countermeasures Installed Fair 1960 75
SINGLETON CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1961 75
CEDAR CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1962 75
TRIB TO SENECA CRK South Carolina Scour Critical — Countermeasures Installed Fair 1962 75
RODENS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1967 75
HORSE CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1968 75
STONEHOUSE CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1968 75
BIGGERS BRANCH South Carolina Scour Critical — Countermeasures Installed Fair 1968 75
BR OF MORRIS CREEK South Carolina Scour Critical — Countermeasures Installed Good 1969 75
UNNAMED STREAM South Carolina Scour Critical — Countermeasures Installed Fair 1970 75
INDIAN CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1970 75
RIVER OAKS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1971 75
GIBBSON CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1971 75
GIBBSON CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1971 75
TYGER RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1971 75
CEDAR CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1975 75
BR TO CORONACA CR South Carolina Scour Critical — Countermeasures Installed Fair 1975 75
BR. FANNING CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1975 75
DOUBLE BRANCH South Carolina Scour Critical — Countermeasures Installed Fair 1976 75
TRIB TO LAKE MURRAY South Carolina Scour Critical — Countermeasures Installed Fair 1976 75
BEAR CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1979 75
MINE CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1986 75

Scour Critical Rating Codes

Code 2 — UnaddressedBridge is scour critical with no countermeasures installed. The foundation is vulnerable and no protective action has been taken.
Code 3 — Countermeasures InstalledProtective measures (riprap, sheet piling, etc.) have been installed to reduce scour risk, but the bridge remains classified as scour critical.
Code 6 — Countermeasures IneffectiveProtective 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.