Poor Condition Bridges in Michigan
1,250 bridges rated Poor condition in Michigan. FHWA National Bridge Inventory.
Bridges Rated Poor Condition
A bridge is rated Poor when one or more of its major components (deck, superstructure, or substructure) has a condition rating of 4 or below on the FHWA 0–9 scale. Poor condition does not mean imminent danger of collapse, but indicates significant deterioration requiring priority maintenance or replacement. There are 1,250 such bridges in Michigan.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| US-23 | Michigan | 1959 | 6,030 | 68.9 m | |
| CROCKERY CREEK | Michigan | 1958 | 5,976 | 12.2 m | |
| SWAN CREEK | Michigan | 1950 | 5,924 | 7.3 m | |
| HURON RIVER | Michigan | 1973 | 5,910 | 22.5 m | |
| SYCAMORE CREEK | Michigan | 1918 | 5,910 | 8.9 m | |
| I-94 | Michigan | 1957 | 5,880 | 68.4 m | |
| LAKE STATE RR | Michigan | 1961 | 5,877 | 43.1 m | |
| LAKE STATE RR | Michigan | 1961 | 5,877 | 43.1 m | |
| M-72|HURON ST | Michigan | 1961 | 5,877 | 40.8 m | |
| M-72|HURON ST | Michigan | 1961 | 5,877 | 40.8 m | |
| GRAND RIVER | Michigan | 1966 | 5,860 | 85.9 m | |
| PINE RIVER | Michigan | 1952 | 5,845 | 55.4 m | |
| INDIAN CREEK | Michigan | 1934 | 5,815 | 12.2 m | |
| ROUGE RIVER | Michigan | 1963 | 5,814 | 7.2 m | |
| KAMPEN-STRUIK DRAIN | Michigan | 1980 | 5,810 | 9.7 m | |
| HORSESHOE LAKE OUTLET | Michigan | 1920 | 5,803 | 9.1 m | |
| BLAKELY DRAIN | Michigan | 1940 | 5,767 | 7.3 m | |
| CASS RIVER | Michigan | 1964 | 5,700 | 118.9 m | |
| SHIAWASSEE RIVER | Michigan | 1928 | 5,647 | 10.6 m | |
| SEVILLE SUMNER DRAIN | Michigan | 1936 | 5,634 | 8.4 m | |
| FRANK & POET DRAIN | Michigan | 1965 | 5,617 | 7.0 m | |
| ROUGE RIVER | Michigan | 1959 | 5,600 | 9.1 m | |
| COLD CREEK | Michigan | 1930 | 5,588 | 9.4 m | |
| HIGHBANK CREEK | Michigan | 1979 | 5,580 | 19.8 m | |
| I-96 | Michigan | 1970 | 5,500 | 72.8 m | |
| BLACK RIVER | Michigan | 1947 | 5,462 | 22.8 m | |
| SMITH BAYOU | Michigan | 1972 | 5,424 | 136.5 m | |
| JOY ROAD | Michigan | 1927 | 5,416 | 22.8 m | |
| BASS RIVER | Michigan | 1973 | 5,360 | 12.8 m | |
| FLINT RIVER | Michigan | 1954 | 5,338 | 39.6 m | |
| US-23 | Michigan | 1957 | 5,326 | 96.8 m | |
| STURGEON CREEK | Michigan | 1968 | 5,300 | 9.8 m | |
| HOUGHTON CREEK | Michigan | 1939 | 5,255 | 8.2 m | |
| BLACK CREEK | Michigan | 1976 | 5,243 | 15.2 m | |
| I-96 | Michigan | 1963 | 5,200 | 64.9 m | |
| SPRING CREEK | Michigan | 1935 | 5,200 | 8.5 m | |
| KALAMAZOO RIVER | Michigan | 1930 | 5,183 | 59.4 m | |
| BAYOU & BLK WATER CREEK | Michigan | 1933 | 5,182 | 8.2 m | |
| PLASTER CREEK | Michigan | 1956 | 5,129 | 18.7 m | |
| RED CEDAR RIVER IMP. DRN | Michigan | 1990 | 5,110 | 10.9 m | |
| AMTRAK RAILROAD | Michigan | 1980 | 5,023 | 42.9 m | |
| HURON RIVER | Michigan | 1984 | 5,000 | 73.1 m | |
| BALLENGER RD | Michigan | 1969 | 4,900 | 44.2 m | |
| I-96 WB | Michigan | 1961 | 4,897 | 51.2 m | |
| LOG RD & CSX RR (ABN) | Michigan | 1975 | 4,806 | 50.0 m | |
| BOARDMAN RIVER | Michigan | 1955 | 4,803 | 30.4 m | |
| I-75 | Michigan | 1969 | 4,800 | 101.5 m | |
| US-10 | Michigan | 1960 | 4,715 | 60.2 m | |
| BLACK CREEK | Michigan | 1970 | 4,685 | 8.2 m | |
| ROCKEY RIVER | Michigan | 1960 | 4,600 | 38.4 m |
About Poor Condition Bridge Ratings
FHWA rates bridge components on a 0–9 scale. A rating of 4 or below on any major component (deck, superstructure, substructure) classifies the bridge as Poor condition. The bridge remains open to traffic but requires priority attention. Bridges rated 0–2 are immediately closed.