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Scour Critical Bridges in Michigan

1,081 bridges in Michigan 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 1,081 bridges in Michigan have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
CEMETERY CREEK Michigan Scour Critical — Countermeasures Installed Good 2010 110
MILAN-MACON DRAIN Michigan Scour Critical — Countermeasures Installed Poor 1929 110
MAPLE RIVER Michigan Scour Critical — Countermeasures Installed Fair 1920 107
CONSTANT-DURUSSELL DRAIN Michigan Scour Critical — Countermeasures Installed Poor 1930 106
MANISTEE RIVER Michigan Scour Critical — Countermeasures Installed Poor 1906 106
HEMLOCK RIVER Michigan Scour Critical — Countermeasures Installed Poor 1924 103
HAYWORTH CREEK Michigan Scour Critical — Countermeasures Installed Fair 1910 102
HAYWORTH CREEK Michigan Scour Critical — Countermeasures Installed Poor 1906 102
WISE CREEK Michigan Scour Critical — Countermeasures Installed Fair 1910 100
MAPLE RIVER Michigan Scour Critical — Countermeasures Installed Poor 1920 100
S FORK OF HAYWORTH CREEK Michigan Scour Critical — Countermeasures Installed Fair 1920 100
HAYWORTH CREEK Michigan Scour Critical — Countermeasures Installed Fair 1970 100
S BRANCH KALAMAZOO RIVER Michigan Scour Critical — Countermeasures Installed Poor 1974 100
CARP RIVER Michigan Scour Critical — Countermeasures Installed Poor 1946 100
S BRANCH MACON DRAIN Michigan Scour Critical — Countermeasures Installed Fair 1950 100
SALINE RIVER Michigan Scour Critical — Countermeasures Installed Poor 1961 100
E BRANCH ONTONOGON RIVER Michigan Scour Critical — Countermeasures Installed Poor 1954 100
BEAR CREEK DRAIN Michigan Scour Critical — Countermeasures Installed Fair 1979 99
STONY CREEK Michigan Scour Critical — Countermeasures Installed Poor 1922 97
QUANICASSEE RIVER Michigan Scour Critical — Countermeasures Installed Poor 1924 96
BEAVER CREEK Michigan Scour Critical — Countermeasures Installed Good 1983 95
SO BR KALAMAZOO RIVER Michigan Scour Critical — Countermeasures Installed Fair 1974 92
LITTLE CEDAR RIVER Michigan Scour Critical — Countermeasures Installed Poor 1934 92
SEBEWA CREEK Michigan Scour Critical — Countermeasures Installed Poor 1910 91
MISTEGUAY CREEK Michigan Scour Critical — Countermeasures Installed Poor 1938 91
SOUTH BR CHIPPEWA RIVER Michigan Scour Critical — Countermeasures Installed Fair 1969 90
LITTLE SALT CREEK Michigan Scour Critical — Countermeasures Installed Poor 1936 90
PERRY CREEK Michigan Scour Critical — Countermeasures Installed Fair 1974 90
NILE DRAIN Michigan Scour Critical — Countermeasures Installed Good 1969 87
NORTH MACON CREEK Michigan Scour Critical — Countermeasures Installed Fair 1983 87
LOST CREEK Michigan Scour Critical — Countermeasures Installed Poor 1924 86
WIEBER CREEK Michigan Scour Critical — Countermeasures Installed Poor 1924 86
ROXBURY CREEK Michigan Scour Critical — Countermeasures Installed Poor 1974 83
BLACK RIVER Michigan Scour Critical — Countermeasures Installed Good 2018 83
CEDAR CREEK Michigan Scour Critical — Countermeasures Installed Fair 1979 83
DRAIN #1 Michigan Scour Critical — Countermeasures Installed Fair 1978 82
LANDSLIDE CREEK Michigan Scour Critical — Countermeasures Installed Good 1986 80
NORTH SHADE DRAIN Michigan Scour Critical — Countermeasures Installed Poor 1968 80
SALT SLING GLOEDE DRAIN Michigan Scour Critical — Countermeasures Installed Good 2004 80
DEAD CREEK Michigan Scour Critical — Countermeasures Installed Fair 1979 80
NORTHWEST DRAIN Michigan Scour Critical — Countermeasures Installed Fair 1972 80
BIG POTATO CREEK Michigan Scour Critical — Countermeasures Installed Poor 1920 79
ST JOSEPH RIVER Michigan Scour Critical — Countermeasures Installed Poor 1973 78
BIG THORNAPPLE DRAIN Michigan Scour Critical — Countermeasures Installed Fair 1952 78
BACH DRAIN Michigan Scour Critical — Countermeasures Installed Fair 1981 78
PINE RIVER Michigan Scour Critical — Countermeasures Installed Fair 1985 77
CEDAR CREEK Michigan Scour Critical — Countermeasures Installed Fair 1982 77
LAMB CREEK Michigan Scour Critical — Countermeasures Installed Poor 1973 77
VERMILION CREEK Michigan Scour Critical — Countermeasures Installed Fair 1924 75
PINNEBOG RIVER Michigan Scour Critical — Countermeasures Installed Good 1985 75

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.

All Bridges Poor Condition Historic Bridges Bridge Stats