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 CHOESTOEA CR South Carolina Scour Critical — Countermeasures Installed Fair 1960 600
CANE CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1978 600
SNOW CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1962 600
TRIB TO BAKER CRK South Carolina Scour Critical — Countermeasures Installed Fair 1963 600
BR TO LITTLE ALLISON South Carolina Scour Critical — Countermeasures Installed Fair 1964 600
TRIB TO REEDY RIVER South Carolina Scour Critical — Countermeasures Installed Poor 1966 600
EIGHTEEN MILE CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1966 600
LITTLE BUCK CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1972 600
BROAD MOUTH CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1967 600
BAKERS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1968 600
TRIB TO CHOESTOEA CK South Carolina Scour Critical — Countermeasures Installed Fair 1969 600
6 & 20 CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1985 550
CANNON CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1976 550
THICKETTY CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1976 550
MILL POND CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1955 550
HORSE HEAD BRANCH South Carolina Scour Critical — Countermeasures Installed Fair 1970 550
THREE RUNS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1975 550
TRIB TO ROCKY RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1959 550
RICHLAND CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1959 550
CHEROKEE CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1960 550
CUPBOARD CREEK South Carolina Scour Critical — Countermeasures Installed Good 1991 550
BR OF BIG BEAVERDAM South Carolina Scour Critical — Countermeasures Installed Fair 1972 550
MILL CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1960 550
BEAVER CREEK South Carolina Scour Critical — Countermeasures Installed Good 1988 550
BLACK RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1978 550
BLACK RIVER South Carolina Scour Critical — Countermeasures Installed Poor 1971 550
BLACK RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1979 550
BR OF CAMPBELL CK. South Carolina Scour Critical — Countermeasures Installed Fair 1971 550
LITTLE CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1963 550
BRANCH OF BUSH RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1963 550
BUSH RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1963 550
W. BR OF WILSON CK South Carolina Scour Critical — Countermeasures Installed Fair 1964 550
BROADWAY CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1972 550
E WILSON CREEK South Carolina Scour Critical — Countermeasures Installed Good 1983 550
SIX MILE CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1965 550
BR OF SHOALLY CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1965 550
BIG CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1978 550
BIG BEAVER DAM South Carolina Scour Critical — Countermeasures Installed Fair 1972 550
FAIRFOREST CREEK South Carolina Scour Critical — Countermeasures Installed Poor 1982 550
JOHNSON CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1954 500
SHOAL CREEK South Carolina Scour Critical — Countermeasures Installed Good 1982 500
REEDY RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1960 500
LONG LICK BRANCH South Carolina Scour Critical — Countermeasures Installed Fair 1960 500
RISTERS CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1979 500
COLONEL FORK CREEK South Carolina Scour Critical — Countermeasures Installed Fair 1971 500
UNNAMED STREAM South Carolina Scour Critical — Countermeasures Installed Fair 1964 500
TRIB TO ENOREE RIVER South Carolina Scour Critical — Countermeasures Installed Good 1979 500
JAMISON MILL CREEK South Carolina Scour Critical — Countermeasures Installed Good 1966 500
ENOREE RIVER South Carolina Scour Critical — Countermeasures Installed Fair 1966 500
COOSAWHATCHIE RIVER South Carolina Scour Critical — Countermeasures Installed Good 1975 500

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.