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
WHITE LICK CREEK Indiana Scour Critical — Countermeasures Installed Fair 1990 1,875
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Good 1991 1,850
ABANDONED RR COAL CREEK Indiana Scour Critical — Countermeasures Installed Fair 1936 1,840
TIPPECANOE RIVER Indiana Scour Critical — Countermeasures Installed Good 1958 1,813
MAJENICA CREEK Indiana Scour Critical — Countermeasures Installed Fair 1965 1,810
HARTMAN DITCH Indiana Scour Critical — Countermeasures Installed Fair 1978 1,805
WILDCAT CREEK Indiana Scour Critical — Countermeasures Installed Poor 1958 1,800
HANNAH CREEK Indiana Scour Critical — Countermeasures Installed Fair 1937 1,791
STAMPERS CREEK Indiana Scour Critical — Countermeasures Installed Fair 1933 1,778
BREWER DITCH Indiana Scour Critical — Countermeasures Installed Fair 1930 1,772
BLACK CREEK Indiana Scour Critical — Countermeasures Installed Fair 1995 1,748
DERBYSHIRE CREEK Indiana Scour Critical — Countermeasures Installed Poor 1935 1,716
MISSISSINEWA RIVER Indiana Scour Critical — Countermeasures Installed Fair 1958 1,707
COLES CREEK Indiana Scour Critical — Countermeasures Installed Fair 1967 1,705
MUSCATATUCK RIVER Indiana Scour Critical — Countermeasures Installed Fair 1954 1,691
WHITE RIVER Indiana Scour Critical — Countermeasures Installed Fair 1985 1,680
WHITE RIVER Indiana Scour Critical — Countermeasures Installed Poor 1930 1,650
BROUILLETTS CREEK Indiana Scour Critical — Countermeasures Installed Poor 1932 1,645
TIPPECANOE RIVER Indiana Scour Critical — Countermeasures Installed Fair 1964 1,629
SILVER CREEK Indiana Scour Critical — Countermeasures Installed Fair 1987 1,628
GRASSY FORK Indiana Scour Critical — Countermeasures Installed Good 1933 1,619
SOUTH FORK BUCK CREEK Indiana Scour Critical — Countermeasures Installed Poor 1966 1,607
PIGEON ROOST CREEK Indiana Scour Critical — Countermeasures Installed Fair 1935 1,593
MISSISSINEWA RIVER Indiana Scour Critical — Countermeasures Installed Fair 1957 1,580
LOUIS DITCH Indiana Scour Critical — Countermeasures Installed Good 1986 1,573
GRASSY FORK Indiana Scour Critical — Countermeasures Installed Fair 1952 1,561
HALL Creek Indiana Scour Critical — Countermeasures Installed Fair 1961 1,548
SLUSH RUN Indiana Scour Critical — Countermeasures Installed Good 1956 1,536
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1970 1,520
WABASH RIVER OVERFLOW Indiana Scour Critical — Countermeasures Installed Good 1994 1,510
PLUNGE CREEK Indiana Scour Critical — Countermeasures Installed Fair 1987 1,494
EEL RIVER Indiana Scour Critical — Countermeasures Installed Fair 1976 1,487
RICHLAND CREEK Indiana Scour Critical — Countermeasures Installed Good 1965 1,486
HONEY CREEK Indiana Scour Critical — Countermeasures Installed Fair 1933 1,481
MISSISSINEWA RIVER Indiana Scour Critical — Countermeasures Installed Fair 1984 1,470
WHITE RIVER Indiana Scour Critical — Countermeasures Installed Fair 1984 1,452
EAST FORK SCHOEN CREEK Indiana Scour Critical — Countermeasures Installed Fair 1906 1,451
MILL RACE Indiana Scour Critical — Countermeasures Installed Fair 1993 1,420
PIGEON RIVER Indiana Scour Critical — Countermeasures Installed Fair 1993 1,420
CABIN CREEK Indiana Scour Critical — Countermeasures Installed Fair 1989 1,419
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Good 2018 1,390
BRANCH OF EEL RIVER Indiana Scour Critical — Countermeasures Installed Good 1991 1,377
ELKHORN CREEK Indiana Scour Critical — Countermeasures Installed Fair 1992 1,359
HARP DITCH #2 Indiana Scour Critical — Countermeasures Installed Fair 1950 1,355
LITTLE SALT CREEK Indiana Scour Critical — Countermeasures Installed Fair 1974 1,330
BACHELOR RUN Indiana Scour Critical — Countermeasures Installed Fair 1966 1,326
WISE DITCH Indiana Scour Critical — Countermeasures Installed Good 1991 1,324
GREENVILLE CREEK Indiana Scour Critical — Countermeasures Installed Good 1968 1,293
FLATROCK RIVER Indiana Scour Critical — Countermeasures Installed Fair 1913 1,280
ST JOSEPH RIVER Indiana Scour Critical — Countermeasures Installed Fair 1968 1,249

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.