Scour Critical Bridges in Alabama

450 bridges in Alabama 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 450 bridges in Alabama have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
SANDY CREEK Alabama Scour Critical — Countermeasures Installed Fair 1961 67
WALNUT CREEK Alabama Scour Critical — Countermeasures Installed Fair 1934 65
SIZEMORE CREEK Alabama Scour Critical — Countermeasures Installed Fair 1940 65
BLACK OAK CREEK Alabama Scour Critical — Countermeasures Installed Poor 1935 61
BIG COON CREEK Alabama Scour Critical — Countermeasures Installed Fair 1939 56
REDDOCK CREEK Alabama Scour Critical — Countermeasures Installed Fair 1959 55
MCNAIR CREEK Alabama Scour Critical — Countermeasures Installed Poor 1967 55
BOGUE CHITTA CREEK Alabama Scour Critical — Countermeasures Installed Good 2005 51
TRIB. TO GREER CREEK Alabama Scour Critical — Countermeasures Installed Poor 1955 50
BEAVER CREEK Alabama Scour Critical — Countermeasures Installed Fair 1973 50
WELLS BRANCH Alabama Scour Critical — Countermeasures Installed Fair 1990 50
FLAT CREEK Alabama Scour Critical — Countermeasures Installed Fair 1938 50
PADGETT BRANCH Alabama Scour Critical — Countermeasures Installed Good 1993 50
SURVEYORS CREEK Alabama Scour Critical — Countermeasures Installed Fair 1978 50
TRIBUTARY TO CANE CREEK Alabama Scour Critical — Countermeasures Installed Fair 1960 50
BLACKS CREEK Alabama Scour Critical — Countermeasures Installed Good 1995 48
NANCES CREEK Alabama Scour Critical — Countermeasures Installed Poor 1960 48
MULBERRY CREEK Alabama Scour Critical — Countermeasures Installed Poor 1952 45
TRIB. TO BIG PRARIE CRK Alabama Scour Critical — Countermeasures Installed Poor 1950 40
PAINT ROCK RIVER Alabama Scour Critical — Countermeasures Installed Fair 1975 40
JUDY CREEK Alabama Scour Critical — Countermeasures Installed Good 2003 40
UT-FAULK MILL CK Alabama Scour Critical — Countermeasures Installed Poor 1996 39
SILAS MILL CREEK E PRONG Alabama Scour Critical — Countermeasures Installed Fair 1966 35
POLECAT CREEK Alabama Scour Critical — Countermeasures Installed Good 1989 35
CHIKASANOXEE CREEK Alabama Scour Critical — Countermeasures Installed Poor 1929 30
CANE CREEK Alabama Scour Critical — Countermeasures Installed Poor 1960 30
DRY CREEK Alabama Scour Critical — Countermeasures Installed Fair 1971 30
INDIAN CREEK Alabama Scour Critical — Countermeasures Installed Fair 1996 30
PAINT ROCK RIVER Alabama Scour Critical — Countermeasures Installed Fair 1975 28
UNNAMED CREEK Alabama Scour Critical — Countermeasures Installed Good 1990 26
ROCKY BRANCH Alabama Scour Critical — Countermeasures Installed Fair 1991 25
PANTHER CREEK Alabama Scour Critical — Countermeasures Installed Good 1992 25
LITTLE CHATAHOSPEE CREEK Alabama Scour Critical — Countermeasures Installed Good 2005 23
LITTLE CHATAHOSPEE CREEK Alabama Scour Critical — Countermeasures Installed Good 2005 23
SANDY CREEK Alabama Scour Critical — Countermeasures Installed Fair 1920 20
BRENSON BRANCH Alabama Scour Critical — Countermeasures Installed Fair 1968 20
BREASTWORK CREEK Alabama Scour Critical — Countermeasures Installed Poor 1976 20
BRANCH Alabama Scour Critical — Countermeasures Installed Fair 1990 20
HOLLY MILL CREEK Alabama Scour Critical — Countermeasures Installed Good 2009 20
Branch Alabama Scour Critical — Countermeasures Installed Fair 2009 20
Branch Alabama Scour Critical — Countermeasures Installed Good 2009 20
WEOKA CREEK Alabama Scour Critical — Countermeasures Installed Fair 1979 15
TAN TROUGH CREEK Alabama Scour Critical — Countermeasures Installed Fair 1990 15
Unamed Branch Alabama Scour Critical — Countermeasures Installed Fair 1800 15
UNNAMED CREEK Alabama Scour Critical — Countermeasures Installed Good 1995 15
TUMPKAHATCHEE CREEK Alabama Scour Critical — Countermeasures Installed Fair 1987 10
PARKER CREEK Alabama Scour Critical — Countermeasures Installed Good 1997 10
BIG WILLS CREEK Alabama Scour Critical — Countermeasures Installed Fair 1970 10
Jernigan Mill CRK Alabama Scour Critical — Countermeasures Installed Fair 1800 10
WELLS CREEK Alabama Scour Critical — Countermeasures Installed Poor 1935 7

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.