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 LITTLE CANE CRK South Carolina Scour Critical — Countermeasures Installed Fair 1959 300
STONY FORK CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1959 300
TRIB TO CONEROSS CREEK South Carolina Scour Critical — Countermeasures Installed Good 1989 300
WALNUT CREEK South Carolina Scour Critical — Countermeasures Installed Good 1983 300
CLEAR BRANCH South Carolina Scour Critical — Countermeasures Installed Fair 1961 300
LONGNOSE CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1962 300
BARTON CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1962 300
BURNETS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1974 300
BROCKS MILL STREAM South Carolina Scour Critical — Countermeasures Installed Fair 1970 300
BROADWAY CREEK South Carolina Scour Critical — Countermeasures Installed Good 1985 300
WILSON CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1972 300
MORRIS BRANCH South Carolina Scour Critical — Countermeasures Installed Poor 1973 300
THICKETTY CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1974 300
PRATERS CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1954 275
TRIB BIG GENEROSTEE CR. South Carolina Scour Critical — Countermeasures Installed Poor 1955 275
BR OF SUCK CK South Carolina Scour Critical — Countermeasures Installed Poor 1955 275
BR OF THREE & TWENTY CK South Carolina Scour Critical — Countermeasures Installed Fair 1986 275
HAYES SWAMP South Carolina Scour Critical — Countermeasures Installed Good 1994 275
TRIB TO GREEN CK South Carolina Scour Critical — Countermeasures Installed Poor 1987 275
LONGNOSE CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1958 275
TRIB TO BEAVER DAM CK South Carolina Scour Critical — Countermeasures Installed Poor 1958 275
SNOW CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1959 275
JOB CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1960 275
BR OF WOLF CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1961 275
HORSE CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1978 275
SOUTH FORK CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1963 275
TRIB TO PRATERS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1964 275
TRIB TO PRATERS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1964 275
LITTLE ALLISON CK. South Carolina Scour Critical — Countermeasures Installed Fair 1964 275
GILL CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1975 275
BUFFALO CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1990 275
WALNUT CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1966 275
TRIB TO ROCKY FORK CR South Carolina Scour Critical — Countermeasures Installed Fair 1966 275
PETERS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1966 275
LITTLE BUFFALO CK South Carolina Scour Critical — Countermeasures Installed Good 1980 275
HUFF CREEK South Carolina Scour Critical — Countermeasures Installed Good 1968 275
N. BR OF WILDCAT CR South Carolina Scour Critical — Countermeasures Installed Fair 1968 275
DUNCAN CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1968 275
BEAR SWAMP -1 South Carolina Scour Critical — Countermeasures Installed Good 2016 275
TRIB TO BUSH RIVER #1 South Carolina Scour Critical — Countermeasures Installed Fair 1981 275
BR TO S. DURBIN CK South Carolina Scour Critical — Countermeasures Installed Fair 1977 275
BR OF HOGSKIN CK. South Carolina Scour Critical — Countermeasures Installed Fair 1969 275
HANGING ROCK CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1969 275
TINKERS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1970 275
CLEVELAND CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1970 275
SPEARS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1975 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
THICKETTY CREEK South Carolina Scour Critical — Countermeasures Installed Good 2016 275
THICKETTY CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1974 275

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.