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.

Clear
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 — 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.