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
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 — 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.