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
CLEAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1988 2,798
PIPE CREEK Indiana Scour Critical — Countermeasures Installed Fair 1942 2,741
LITTLE BLUE RIVER Indiana Scour Critical — Countermeasures Installed Fair 1987 2,718
CHIPPEWANUCK CREEK Indiana Scour Critical — Countermeasures Installed Good 1993 2,691
FALL CREEK Indiana Scour Critical — Countermeasures Installed Good 1976 2,690
SOL SHANK DITCH Indiana Scour Critical — Countermeasures Installed Fair 1988 2,639
WALNUT FORK Indiana Scour Critical — Countermeasures Installed Fair 1953 2,630
EAST FORK WHITE RIVER Indiana Scour Critical — Countermeasures Installed Fair 1973 2,600
LITTLE INDIAN CREEK Indiana Scour Critical — Countermeasures Installed Fair 1966 2,590
BOOTS CREEK Indiana Scour Critical — Countermeasures Installed Fair 1976 2,580
M FORK WILDCAT CREEK Indiana Scour Critical — Countermeasures Installed Fair 1981 2,574
M FORK WILDCAT CREEK Indiana Scour Critical — Countermeasures Installed Fair 1942 2,573
SIMMONS CREEK Indiana Scour Critical — Countermeasures Installed Fair 1921 2,556
EIGHT MILE CREEK Indiana Scour Critical — Countermeasures Installed Fair 1939 2,528
HANNA CREEK Indiana Scour Critical — Countermeasures Installed Fair 1962 2,500
WHITEWATER RIVER Indiana Scour Critical — Countermeasures Installed Fair 1976 2,477
MARTINDALE CREEK Indiana Scour Critical — Countermeasures Installed Fair 1941 2,417
ARNOLD CREEK Indiana Scour Critical — Countermeasures Installed Fair 1983 2,339
SALT CREEK Indiana Scour Critical — Countermeasures Installed Fair 1976 2,339
OPOSSUM RUN CR 700 W Indiana Scour Critical — Countermeasures Installed Fair 1976 2,330
CARPENTER CREEK Indiana Scour Critical — Countermeasures Installed Good 1929 2,317
WHITE RIVER Indiana Scour Critical — Countermeasures Installed Fair 1937 2,310
WHITE RIVER Indiana Scour Critical — Countermeasures Installed Fair 1968 2,300
SPRING CREEK Indiana Scour Critical — Countermeasures Installed Fair 1938 2,282
HARBER DITCH Indiana Scour Critical — Countermeasures Installed Fair 1989 2,272
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1970 2,260
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1995 2,259
ROBB CREEK Indiana Scour Critical — Countermeasures Installed Fair 1964 2,249
WHITE RIVER Indiana Scour Critical — Countermeasures Installed Fair 1985 2,230
LIMBERLOST CREEK Indiana Scour Critical — Countermeasures Installed Good 1962 2,227
OPOSSUM RUN CR 700 W Indiana Scour Critical — Countermeasures Installed Fair 1976 2,220
GOODWINE CREEK Indiana Scour Critical — Countermeasures Installed Fair 1985 2,198
BIG BLUE RIVER Indiana Scour Critical — Countermeasures Installed Good 1987 2,190
WILDCAT CREEK Indiana Scour Critical — Countermeasures Installed Good 1976 2,178
DRIFTWOOD RIVER Indiana Scour Critical — Countermeasures Installed Poor 1966 2,150
BOLEN DITCH Indiana Scour Critical — Countermeasures Installed Poor 1946 2,127
BIG BLUE RIVER Indiana Scour Critical — Countermeasures Installed Good 1975 2,125
HARBER DITCH Indiana Scour Critical — Countermeasures Installed Fair 1989 2,106
MISHLER DITCH Indiana Scour Critical — Countermeasures Installed Fair 1988 2,080
CLEAR CREEK Indiana Scour Critical — Countermeasures Installed Fair 1982 2,076
BIG MONON CREEK Indiana Scour Critical — Countermeasures Installed Fair 1946 2,072
WHITE RIVER OVERFLOW Indiana Scour Critical — Countermeasures Installed Fair 1990 2,064
MISSISSINEWA RIVER Indiana Scour Critical — Countermeasures Installed Good 1975 2,030
BIG RACCOON CREEK Indiana Scour Critical — Countermeasures Installed Fair 1947 2,026
KIMBERLIN CREEK Indiana Scour Critical — Countermeasures Installed Fair 1980 2,005
BIG CREEK Indiana Scour Critical — Countermeasures Installed Fair 1992 1,994
SUGAR CREEK Indiana Scour Critical — Countermeasures Installed Good 1989 1,960
WABASH RIVER Indiana Scour Critical — Countermeasures Installed Fair 1981 1,910
LOCUST CREEK Indiana Scour Critical — Countermeasures Installed Poor 1906 1,906
MAJENICA CREEK Indiana Scour Critical — Countermeasures Installed Fair 1965 1,880

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.