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 |
|---|---|---|---|---|---|
| SILVER CREEK | Michigan | 1927 | 4,529 | 21.9 m | |
| FLINT RIVER | Michigan | 1957 | 4,519 | 62.8 m | |
| PARKING LOT/RELIEF | Michigan | 1963 | 4,500 | 86.0 m | |
| COON CREEK | Michigan | 1927 | 4,440 | 8.5 m | |
| N BRANCH PENTWATER RIVER | Michigan | 1980 | 4,413 | 225.0 m | |
| PAW PAW RIVER | Michigan | 1966 | 4,366 | 47.8 m | |
| S SERVICE DRIVE M-8 | Michigan | 1971 | 4,360 | 64.0 m | |
| JOHNSON CREEK | Michigan | 1950 | 4,353 | 36.3 m | |
| SOUTH BR. FLINT RIVER | Michigan | 1967 | 4,300 | 10.9 m | |
| FOSTORIA DRAIN | Michigan | 1974 | 4,293 | 9.7 m | |
| BRANCH UPPER ROUGE RIVER | Michigan | 1981 | 4,290 | 9.1 m | |
| M BR PINE RIVER | Michigan | 1952 | 4,242 | 7.1 m | |
| M BR PINE RIVER | Michigan | 1952 | 4,242 | 7.1 m | |
| BR OF LOOKING GLASS RIVR | Michigan | 1963 | 4,198 | 15.5 m | |
| KEARSLEY CREEK | Michigan | 1928 | 4,195 | 19.2 m | |
| NORTH SWARGART DRAIN | Michigan | 1977 | 4,192 | 9.2 m | |
| WEST BRANCH RIVER | Michigan | 1937 | 4,184 | 8.4 m | |
| FLEMING CREEK | Michigan | 1981 | 4,165 | 12.8 m | |
| RED CEDAR RIVER | Michigan | 1961 | 4,150 | 12.2 m | |
| LAKE STATE RR & OLD M-76 | Michigan | 1968 | 4,124 | 95.6 m | |
| I-75 NB | Michigan | 1968 | 4,124 | 115.6 m | |
| CANADIAN NATIONAL RR | Michigan | 1938 | 4,114 | 77.4 m | |
| THREAD RIVER | Michigan | 1928 | 4,097 | 8.2 m | |
| SWAN CREEK | Michigan | 1937 | 4,013 | 59.4 m | |
| UPPER ROUGE RIVER | Michigan | 1934 | 4,000 | 9.7 m | |
| US-127 | Michigan | 1961 | 4,000 | 84.3 m | |
| US-31 SB | Michigan | 1964 | 3,898 | 42.9 m | |
| US-31 NB | Michigan | 1964 | 3,898 | 42.9 m | |
| MUD CREEK | Michigan | 1937 | 3,876 | 8.5 m | |
| PINE RIVER | Michigan | 1957 | 3,850 | 36.8 m | |
| FRANKLIN RIVER | Michigan | 1961 | 3,770 | 9.1 m | |
| US-127 | Michigan | 1961 | 3,712 | 69.5 m | |
| CHICAGOAN CREEK | Michigan | 1929 | 3,653 | 9.4 m | |
| COLDWATER RIVER | Michigan | 1966 | 3,604 | 15.5 m | |
| GREENMAN CREEK | Michigan | 1927 | 3,600 | 7.3 m | |
| MIDDLE BRANCH RIVER | Michigan | 1939 | 3,600 | 8.2 m | |
| SHIAWASSEE RIVER | Michigan | 1930 | 3,587 | 8.2 m | |
| BLACK RIVER | Michigan | 1939 | 3,586 | 16.8 m | |
| STURGEON RIVER | Michigan | 1947 | 3,585 | 70.7 m | |
| KAMPEN-STRUK DRAIN | Michigan | 1957 | 3,480 | 10.9 m | |
| RABBIT RIVER | Michigan | 1940 | 3,443 | 10.0 m | |
| BLAKELY DRAIN | Michigan | 1935 | 3,405 | 9.1 m | |
| LOWER ROUGE RIVER | Michigan | 1955 | 3,368 | 27.7 m | |
| FLETCHER CREEK | Michigan | 1929 | 3,344 | 7.0 m | |
| DOUGLAS AVE | Michigan | 1963 | 3,343 | 42.1 m | |
| DOUGLAS AVE | Michigan | 1963 | 3,343 | 42.0 m | |
| LETTS CREEK | Michigan | 1983 | 3,320 | 18.9 m | |
| I-75 | Michigan | 1957 | 3,308 | 61.8 m | |
| N BRANCH FLINT RIVER | Michigan | 1965 | 3,217 | 39.0 m | |
| NOTTAWA CREEK | Michigan | 1931 | 3,200 | 21.3 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.