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
BR OF WEST FORK CR South Carolina Scour Critical — Countermeasures Installed Fair 1970 125
BR OF HARD LABOR CK South Carolina Scour Critical — Countermeasures Installed Fair 1970 125
HANGING ROCK CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1970 125
HALFWAY SWAMP CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1970 125
ROCKY CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1970 125
CANNONS CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1971 125
SALEM BR South Carolina Scour Critical — Countermeasures Installed Fair 1972 125
BEAVER CREEK South Carolina Scour Critical — Countermeasures Installed Good 1996 125
BEAVER DAM CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1974 125
CROOKED RUN CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1974 125
BR TO LAKE MURRAY South Carolina Scour Critical — Countermeasures Installed Fair 1974 125
BROCKS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1974 125
LEMON SWAMP South Carolina Scour Critical — Countermeasures Installed Fair 1975 125
BR OF LITTLE RIVER South Carolina Scour Critical — Countermeasures Installed Good 1975 125
LITTLE RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1975 125
HARD LABOR CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1975 125
CAMP CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1975 125
TRIB TO CRIMS CK South Carolina Scour Critical — Countermeasures Installed Fair 1975 125
COX CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1975 125
BR TO CEDAR CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1976 125
BR OF LITTLE RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1976 125
BEAVERDAM CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1976 125
KELSEY CREEK South Carolina Scour Critical — Countermeasures Installed Good 1976 125
BLACKS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1977 125
JOHNSON CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1977 125
TRIB TO SALUDA RIV South Carolina Scour Critical — Countermeasures Installed Good 2000 125
BOWMANS BRANCH South Carolina Scour Critical — Countermeasures Installed Fair 1978 125
BOWMANS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1978 125
BELLS CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1978 125
BR OF TURKEY CK South Carolina Scour Critical — Countermeasures Installed Fair 1978 125
MANNS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1978 125
CLOUDS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1978 125
LEMON SWAMP South Carolina Scour Critical — Countermeasures Installed Fair 1979 125
LEMON SWAMP South Carolina Scour Critical — Countermeasures Installed Fair 1979 125
BYRD CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1979 125
JOHNSON CK South Carolina Scour Critical — Countermeasures Installed Fair 2014 125
BR OF THICKETTY CK South Carolina Scour Critical — Countermeasures Installed Fair 1980 125
TRIB TO REEDY CK South Carolina Scour Critical — Countermeasures Installed Fair 1980 125
TRIB TO ROCKY BOTTOM CK South Carolina Scour Critical — Countermeasures Installed Poor 1981 125
BARKERS CREEK South Carolina Scour Critical — Countermeasures Installed Good 1982 125
RICHLAND CREEK South Carolina Scour Critical — Countermeasures Installed Good 1982 125
BR-LTTL THICKETTY CK South Carolina Scour Critical — Countermeasures Installed Fair 1983 125
SECOND CREEK South Carolina Scour Critical — Countermeasures Installed Good 1983 125
CUPBOARD CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1985 125
BR TO N.RABON CK South Carolina Scour Critical — Countermeasures Installed Fair 1985 125
UNNAMED STREAM South Carolina Scour Critical — Countermeasures Installed Fair 1989 125
TRIB TO PACOLET RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1956 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

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.