Scour Critical Bridges in Indiana

756 bridges in Indiana 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 756 bridges in Indiana have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1885 102
LITTLE RIVER Indiana Scour Critical — Countermeasures Installed Poor 1935 102
MIDDLE FORK SALT CREEK Indiana Scour Critical — Countermeasures Installed Poor 1984 100
PATOKA RIVER Indiana Scour Critical — Countermeasures Installed Good 1985 100
SKELTON CREEK Indiana Scour Critical — Countermeasures Installed Poor 1993 100
LAKE BRANCH CREEK Indiana Scour Critical — Countermeasures Installed Fair 1988 100
E FORK OF WHITE LICK CR Indiana Scour Critical — Countermeasures Installed Poor 1930 100
NETTLE CREEK Indiana Scour Critical — Countermeasures Installed Poor 1915 100
EEL RIVER Indiana Scour Critical — Countermeasures Installed Poor 1903 100
BELL BRANCH Indiana Scour Critical — Countermeasures Installed Fair 2012 100
SULPHUR CREEK Indiana Scour Critical — Countermeasures Installed Poor 1910 100
PATOKA RIVER Indiana Scour Critical — Countermeasures Installed Poor 1885 100
BRANCH OF N. RAMP CREEK Indiana Scour Critical — Countermeasures Installed Poor 1930 100
BRANCH OF LONG BRANCH CR Indiana Scour Critical — Countermeasures Installed Poor 1940 100
FLATROCK RIVER Indiana Scour Critical — Countermeasures Installed Fair 1968 100
FLATROCK RIVER Indiana Scour Critical — Countermeasures Installed Fair 1945 100
MUD CREEK Indiana Scour Critical — Countermeasures Installed Fair 1970 100
FLATROCK RIVER Indiana Scour Critical — Countermeasures Installed Good 1987 100
FLATROCK RIVER Indiana Scour Critical — Countermeasures Installed Fair 1888 100
OWL CREEK Indiana Scour Critical — Countermeasures Installed Fair 1988 100
EEL RIVER Indiana Scour Critical — Countermeasures Installed Poor 1877 100
Branch of SUGAR Creek Indiana Scour Critical — Countermeasures Installed Fair 1910 99
BIG RACCOON Creek Indiana Scour Critical — Countermeasures Installed Poor 1867 95
Branch of Big RACCOON Cr Indiana Scour Critical — Countermeasures Installed Fair 1930 94
BARLOSKI Ditch Indiana Scour Critical — Countermeasures Installed Fair 1950 93
BRANCH OF WHITEWATER RVR Indiana Scour Critical — Countermeasures Installed Fair 1990 90
MISSISSINEWA RIVER Indiana Scour Critical — Countermeasures Installed Fair 1937 90
PATOKA RIVER Indiana Scour Critical — Countermeasures Installed Fair 1984 90
HURRICANE CREEK Indiana Scour Critical — Countermeasures Installed Fair 1977 90
PATOKA RIVER Indiana Scour Critical — Countermeasures Installed Poor 1888 90
HALL Creek Indiana Scour Critical — Countermeasures Installed Good 1994 87
PATOKA RIVER Indiana Scour Critical — Countermeasures Installed Poor 1979 80
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1970 80
JACK CREEK Indiana Scour Critical — Countermeasures Installed Poor 1935 80
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1984 74
MISSISSINEWA RIVER Indiana Scour Critical — Countermeasures Installed Good 1986 70
PATOKA RIVER Indiana Scour Critical — Countermeasures Installed Poor 1930 66
STRANGERS Branch Indiana Scour Critical — Countermeasures Installed Fair 1910 65
Little Creek Indiana Scour Critical — Countermeasures Installed Good 1975 60
BIG BLUE RIVER Indiana Scour Critical — Countermeasures Installed Good 1981 60
BR N FK LITTLE PIGEON CR Indiana Scour Critical — Countermeasures Installed Fair 1940 50
ROCKY Fork Creek Indiana Scour Critical — Countermeasures Installed Poor 1900 39
JIM Branch Indiana Scour Critical — Countermeasures Installed Poor 1920 39
SUNDERLAND Branch Indiana Scour Critical — Countermeasures Installed Fair 1920 38
ROCK Run Creek Indiana Scour Critical — Countermeasures Installed Fair 1908 33
LEATHERWOOD Creek Indiana Scour Critical — Countermeasures Installed Poor 1965 32
SLAB CAMP CREEK Indiana Scour Critical — Countermeasures Installed Fair 1996 30
DILLON CREEK Indiana Scour Critical — Countermeasures Installed Poor 1900 27
Branch of McIntyre Creek Indiana Scour Critical — Countermeasures Installed Poor 1910 24
COMBS CREEK Indiana Scour Critical — Countermeasures Installed Fair 1984 20

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.