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.
| Bridge | State | Scour Status | Condition | Year Built | ADT |
|---|---|---|---|---|---|
| ELKHART RIVER | Indiana | Scour Critical — Countermeasures Installed | Fair | 1931 | 6,944 |
| FALL CREEK | Indiana | Scour Critical — Countermeasures Installed | Poor | 1957 | 6,928 |
| DEWEY BRANCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1940 | 6,907 |
| BIG BLUE RIVER | Indiana | Scour Critical — Countermeasures Installed | Fair | 1950 | 6,849 |
| WALNUT CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1940 | 6,793 |
| VIEKE DITCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1967 | 6,725 |
| VIEKE DITCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1967 | 6,725 |
| OWL CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1966 | 6,684 |
| E FK WHITE RIVER OVFL | Indiana | Scour Critical — Countermeasures Installed | Fair | 1990 | 6,667 |
| WABASH RIVER | Indiana | Scour Critical — Countermeasures Installed | Fair | 1977 | 6,650 |
| CANEY FORK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1986 | 6,600 |
| HAW CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1930 | 6,443 |
| HONEY CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1974 | 6,433 |
| MILL CREEK | Indiana | Scour Critical — Countermeasures Installed | Good | 1990 | 6,424 |
| FLATROCK RIVER | Indiana | Scour Critical — Countermeasures Installed | Fair | 1983 | 6,380 |
| KIMBERLIN CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1924 | 6,375 |
| JORDAN CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1933 | 6,373 |
| MARIA CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1971 | 6,328 |
| MARIA CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1971 | 6,328 |
| HILLS BRANCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1990 | 6,236 |
| EAST FORK HONEY CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1994 | 6,216 |
| LITTLE SUGAR CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1956 | 6,122 |
| S FORK WILDCAT CREEK | Indiana | Scour Critical — Countermeasures Installed | Good | 1994 | 6,040 |
| ST MARYS RIVER OVERFLOW | Indiana | Scour Critical — Countermeasures Installed | Fair | 1996 | 6,001 |
| WABASH RIVER | Indiana | Scour Critical — Countermeasures Installed | Fair | 1992 | 5,848 |
| DRAINAGE DITCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1923 | 5,828 |
| RIPLEY CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1975 | 5,763 |
| ST MARYS RIVER | Indiana | Scour Critical — Countermeasures Installed | Poor | 1972 | 5,750 |
| WHITEWATER RIVER | Indiana | Scour Critical — Countermeasures Installed | Fair | 1986 | 5,720 |
| BRANDYWINE CREEK | Indiana | Scour Critical — Countermeasures Installed | Poor | 1955 | 5,707 |
| SHORT CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1986 | 5,648 |
| MUD CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1985 | 5,641 |
| WHITEWATER RIVER | Indiana | Scour Critical — Countermeasures Installed | Fair | 1935 | 5,622 |
| SEVENTEEN MILE CREEK | Indiana | Scour Critical — Countermeasures Installed | Good | 1996 | 5,613 |
| HARRIGAN BRANCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1933 | 5,597 |
| SHATZLEY DITCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1992 | 5,585 |
| HARBERTS CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1993 | 5,566 |
| HENSLEY CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1990 | 5,566 |
| BRANCH CEDAR CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1976 | 5,530 |
| Branch of HONEY CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1919 | 5,500 |
| MORTON HALL DITCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1996 | 5,493 |
| TYLER DITCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1961 | 5,472 |
| JAMES KRUCEK DITCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1961 | 5,472 |
| ST MARYS RIVER OVERFLOW | Indiana | Scour Critical — Countermeasures Installed | Fair | 1997 | 5,462 |
| SEVENTEEN MILE CREEK | Indiana | Scour Critical — Countermeasures Installed | Good | 1997 | 5,462 |
| HICKMAN LATERAL DITCH | Indiana | Scour Critical — Countermeasures Installed | Fair | 1992 | 5,445 |
| WESTERN CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1932 | 5,417 |
| LITTLE CALUMET RIVER | Indiana | Scour Critical — Countermeasures Installed | Fair | 1972 | 5,400 |
| BRANCH BUSSERON CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1965 | 5,399 |
| BUSSERON CREEK | Indiana | Scour Critical — Countermeasures Installed | Fair | 1932 | 5,399 |
Scour Critical Rating Codes
| Code 2 — Unaddressed | Bridge is scour critical with no countermeasures installed. The foundation is vulnerable and no protective action has been taken. |
| Code 3 — Countermeasures Installed | Protective measures (riprap, sheet piling, etc.) have been installed to reduce scour risk, but the bridge remains classified as scour critical. |
| Code 6 — Countermeasures Ineffective | Protective 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.