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
DEANS BRANCH Indiana Scour Critical — Countermeasures Installed Fair 1946 143
LITTLE CROOKED CREEK Indiana Scour Critical — Countermeasures Installed Fair 1947 143
MUSCATATUCK RIVER Indiana Scour Critical — Countermeasures Installed Poor 1910 143
GOOSE CREEK Indiana Scour Critical — Countermeasures Installed Fair 1920 143
NINEVEH CREEK Indiana Scour Critical — Countermeasures Installed Fair 1885 143
BRANCH OF LAUGHERY CREEK Indiana Scour Critical — Countermeasures Installed Fair 1935 140
SULPHUR CREEK Indiana Scour Critical — Countermeasures Installed Poor 1925 140
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Good 2017 140
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1994 137
BR FALL FORK CLIFTY CREE Indiana Scour Critical — Countermeasures Installed Fair 1885 130
GRASSY FORK CREEK Indiana Scour Critical — Countermeasures Installed Fair 2000 130
GRASSY FORK CREEK Indiana Scour Critical — Countermeasures Installed Fair 2000 130
INDIAN CREEK Indiana Scour Critical — Countermeasures Installed Fair 1940 130
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1925 130
RAMP CREEK Indiana Scour Critical — Countermeasures Installed Fair 1920 130
BRANCH OF LEATHERMAN CR Indiana Scour Critical — Countermeasures Installed Poor 1930 130
Branch of ROCKY FK Creek Indiana Scour Critical — Countermeasures Installed Fair 1941 129
BRANCH OF NEWMAN LATERAL Indiana Scour Critical — Countermeasures Installed Fair 1983 125
FINCH BRANCH Indiana Scour Critical — Countermeasures Installed Poor 1910 125
BRUSHY FORK Indiana Scour Critical — Countermeasures Installed Poor 1910 125
WATKINS CREEK Indiana Scour Critical — Countermeasures Installed Fair 1914 125
BR E LITTLE SUGAR CR Indiana Scour Critical — Countermeasures Installed Fair 1950 125
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Good 1996 120
BIG RACCOON CREEK Indiana Scour Critical — Countermeasures Installed Good 1999 120
TOOLIE DRAIN Indiana Scour Critical — Countermeasures Installed Fair 1993 120
PATOKA RIVER Indiana Scour Critical — Countermeasures Installed Fair 1887 120
Little Creek Indiana Scour Critical — Countermeasures Installed Poor 1976 119
PENIEL RUN Indiana Scour Critical — Countermeasures Installed Poor 1935 119
Van Buren Creek Indiana Scour Critical — Countermeasures Installed Poor 1920 119
Muddy Branch Indiana Scour Critical — Countermeasures Installed Fair 1940 119
Branch of Jordan Creek Indiana Scour Critical — Countermeasures Installed Fair 1980 119
ALTAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1935 119
RUSH Creek Indiana Scour Critical — Countermeasures Installed Fair 1904 119
COAL BRANCH Indiana Scour Critical — Countermeasures Installed Fair 1970 117
NORTON Creek Indiana Scour Critical — Countermeasures Installed Poor 1930 117
SUNDERLAND Branch Indiana Scour Critical — Countermeasures Installed Fair 1921 112
BRANCH OF POND FLAT DIT Indiana Scour Critical — Countermeasures Installed Poor 1945 111
BIG RACCOON CREEK Indiana Scour Critical — Countermeasures Installed Good 1983 110
GRASSY FORK CREEK Indiana Scour Critical — Countermeasures Installed Fair 1959 110
GRASSY FORK CREEK Indiana Scour Critical — Countermeasures Installed Good 2002 110
GRASSY FORK CREEK Indiana Scour Critical — Countermeasures Installed Fair 1932 110
BIG BRANCH CREEK Indiana Scour Critical — Countermeasures Installed Fair 1910 110
SNAPP CREEK Indiana Scour Critical — Countermeasures Installed Fair 1986 110
BRANCH CLEAR POND DITCH Indiana Scour Critical — Countermeasures Installed Fair 1920 110
BRANCH OF BRUSH CREEK Indiana Scour Critical — Countermeasures Installed Fair 1930 110
CLEAR CREEK Indiana Scour Critical — Countermeasures Installed Poor 1915 110
SALLUST BRANCH CREEK Indiana Scour Critical — Countermeasures Installed Poor 1940 110
SALLUST BRANCH CREEK Indiana Scour Critical — Countermeasures Installed Poor 1920 110
EAST FORK OF WHITE RIVER Indiana Scour Critical — Countermeasures Installed Poor 1894 107
N Branch OTTER Creek Indiana Scour Critical — Countermeasures Installed Poor 1900 103

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.