Scour Critical Bridges in Wisconsin
751 bridges in Wisconsin 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 751 bridges in Wisconsin have been identified as vulnerable to scour damage.
| Bridge | State | Scour Status | Condition | Year Built | ADT |
|---|---|---|---|---|---|
| RUSH CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1980 | 94 |
| MULLET RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1920 | 94 |
| TAMARACK RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1928 | 94 |
| BR APPLE CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1907 | 94 |
| HOLCOMB COULEE CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1930 | 94 |
| TRIMBELLE RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1920 | 93 |
| SPRING CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1920 | 92 |
| S BR ONEILL CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1958 | 92 |
| E FK BLACK RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1959 | 92 |
| HAY CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1947 | 92 |
| BR SCOTCH CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Good | 1930 | 92 |
| WILD CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1967 | 92 |
| SINSINIWA RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1961 | 91 |
| W BR BIG EAU PLEINE RIVE | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1966 | 91 |
| E BR BIG EAU PLEINE RIVE | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1946 | 91 |
| HAMAN CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Good | 1940 | 91 |
| BR W BR BIG EAU PLEINE R | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1930 | 91 |
| PUMPKINSEED CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1926 | 90 |
| MARSH CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1941 | 90 |
| CARLSON CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1929 | 90 |
| LITTLE PESHTIGO RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1961 | 90 |
| DOUGLAS CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1929 | 89 |
| E BR RICHLAND CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1964 | 89 |
| BR STORY CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1923 | 88 |
| CALAMUS CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1921 | 88 |
| INDIAN CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1935 | 88 |
| LITTLE RICHLAND CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1957 | 88 |
| SHULLSBURG BRANCH | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1949 | 88 |
| BR GALENA RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1950 | 88 |
| GALENA RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1950 | 88 |
| CANON CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Good | 1975 | 88 |
| BR AMES BRANCH | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1952 | 88 |
| GALENA RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1969 | 88 |
| BR SHULLSBURG BRANCH | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1951 | 88 |
| WOLF CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1930 | 88 |
| TROUT BROOK | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1929 | 88 |
| WOLF CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1953 | 88 |
| SPOFFORD CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1957 | 88 |
| APPLE BRANCH | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1967 | 88 |
| TRIBUTARY TO LITTLE JUMP | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1959 | 88 |
| RUSH RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1978 | 87 |
| WIND RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1925 | 87 |
| CUNNINGHAM CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Poor | 1975 | 87 |
| ISABELLE CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Good | 1917 | 87 |
| TRAPPE RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1963 | 87 |
| MID FK MAIN CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1935 | 86 |
| S BR YELLOW RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1919 | 86 |
| PENSAUKEE RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1974 | 85 |
| RANDALL CREEK | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1930 | 84 |
| LITTLE WOLF RIVER | Wisconsin | Scour Critical — Countermeasures Installed | Fair | 1963 | 83 |
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.