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.