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 |
|---|---|---|---|---|---|
| FARMERS CR | Michigan | 1933 | 16,489 | 8.8 m | |
| NORFOLK SOUTHERN RR | Michigan | 1941 | 16,443 | 49.7 m | |
| E CHANNEL SAGINAW RIVER | Michigan | 1938 | 16,380 | 154.8 m | |
| HURON RIVER | Michigan | 1921 | 16,342 | 17.0 m | |
| HURON RIVER | Michigan | 1921 | 16,342 | 22.2 m | |
| COLLEGE RD | Michigan | 1966 | 16,286 | 40.4 m | |
| GRAND RIVER | Michigan | 1955 | 16,125 | 10.4 m | |
| GRAND RIVER | Michigan | 1915 | 15,940 | 22.5 m | |
| CLINTON RIVER | Michigan | 1928 | 15,800 | 10.3 m | |
| FELLOWS CREEK | Michigan | 1978 | 15,675 | 7.6 m | |
| MIDDLE ROUGE RIVER | Michigan | 1959 | 15,628 | 27.7 m | |
| MONGUAGON CREEK | Michigan | 1927 | 15,502 | 10.6 m | |
| M-39 | Michigan | 1964 | 15,457 | 54.1 m | |
| M-39 | Michigan | 1964 | 15,457 | 54.1 m | |
| NORFOLK SOUTHERN RR | Michigan | 1982 | 15,356 | 48.8 m | |
| CSX RR (ABN) | Michigan | 1918 | 15,341 | 21.8 m | |
| M-140 | Michigan | 1960 | 15,032 | 47.9 m | |
| I-475 | Michigan | 1971 | 15,000 | 42.6 m | |
| OLD M-14 (ANN ARBOR RD) | Michigan | 1948 | 15,000 | 22.2 m | |
| RED RUN DRAIN | Michigan | 1985 | 14,852 | 54.9 m | |
| FELLOWS CREEK | Michigan | 1930 | 14,842 | 7.0 m | |
| WABASCON CREEK | Michigan | 1947 | 14,726 | 13.7 m | |
| I-94 WB & M-10 SB | Michigan | 1953 | 14,650 | 345.7 m | |
| UPPER ROUGE RIVER | Michigan | 1927 | 14,610 | 29.3 m | |
| BLAKELY DRAIN | Michigan | 1933 | 14,486 | 11.5 m | |
| HURON & EASTERN RR | Michigan | 1961 | 14,378 | 54.3 m | |
| I-75 NB | Michigan | 1968 | 14,350 | 116.7 m | |
| MIDDLE ROUGE RIVER | Michigan | 1952 | 14,193 | 27.7 m | |
| MIDDLE ROUGE RIVER | Michigan | 1948 | 14,193 | 27.7 m | |
| RED CEDAR RIVER | Michigan | 1924 | 13,900 | 26.8 m | |
| BLAKELY DRAIN | Michigan | 1926 | 13,881 | 7.3 m | |
| CN RR & REED RD | Michigan | 1961 | 13,840 | 91.8 m | |
| CN RR & REED RD | Michigan | 1961 | 13,840 | 91.8 m | |
| HARRINGTON DRAIN | Michigan | 1970 | 13,700 | 7.9 m | |
| PAWLOWSKI CREEK DRAIN | Michigan | 1978 | 13,294 | 8.2 m | |
| I-94 | Michigan | 1960 | 13,254 | 96.0 m | |
| PINE CREEK | Michigan | 1972 | 13,227 | 10.0 m | |
| I-75 NB | Michigan | 1971 | 13,158 | 57.3 m | |
| PARNALL RD | Michigan | 1958 | 12,954 | 37.0 m | |
| PLASTER CREEK | Michigan | 1958 | 12,915 | 18.5 m | |
| GILKEY CREEK | Michigan | 1954 | 12,809 | 7.0 m | |
| BLAKELY DRAIN | Michigan | 1967 | 12,749 | 18.2 m | |
| SWARTZ CREEK | Michigan | 1938 | 12,678 | 9.4 m | |
| NEWLAND DRAIN | Michigan | 1965 | 12,500 | 9.5 m | |
| M-14 | Michigan | 1966 | 12,183 | 77.3 m | |
| HURON RIVER | Michigan | 1983 | 12,156 | 66.6 m | |
| CLAM RIVER | Michigan | 1968 | 12,000 | 6.7 m | |
| BUCK CREEK | Michigan | 1965 | 12,000 | 16.5 m | |
| I-75 | Michigan | 1971 | 11,989 | 122.5 m | |
| 5TH ST CONRAIL GTW RR | Michigan | 1939 | 11,876 | 375.0 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.