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 |
|---|---|---|---|---|---|
| ROCKY CREEK | Michigan | 1940 | 890 | 7.6 m | |
| I-69 | Michigan | 1966 | 883 | 67.7 m | |
| SILVER RIVER | Michigan | 1950 | 853 | 28.9 m | |
| COLDWATER RIVER | Michigan | 1957 | 851 | 30.7 m | |
| BLACK RIVER | Michigan | 1974 | 850 | 55.6 m | |
| SWAN CREEK | Michigan | 1972 | 850 | 36.5 m | |
| S BRA KALAMAZOO RIVER | Michigan | 1979 | 839 | 39.6 m | |
| UNION RIVER | Michigan | 1976 | 831 | 22.8 m | |
| BIG IRON RIVER | Michigan | 1938 | 831 | 42.7 m | |
| LITTLE IRON RIVER | Michigan | 1967 | 831 | 22.8 m | |
| SUCKER CREEK | Michigan | 1936 | 830 | 8.2 m | |
| HOG CREEK DRAIN #40 | Michigan | 1928 | 830 | 10.5 m | |
| LITTLE SWAN CREEK | Michigan | 1963 | 824 | 7.9 m | |
| WILLOW CREEK | Michigan | 1970 | 816 | 69.8 m | |
| BLACK RIVER | Michigan | 1974 | 800 | 14.6 m | |
| MIDDLE ROUGE RIVER | Michigan | 1959 | 800 | 23.7 m | |
| I-69 | Michigan | 1966 | 800 | 70.7 m | |
| NORTH BRANCH SALT RIVER | Michigan | 1966 | 798 | 17.4 m | |
| NORTH BRANCH CLINTON R | Michigan | 1964 | 790 | 30.4 m | |
| DRAIN #96 | Michigan | 1968 | 790 | 12.5 m | |
| KAWKAWLIN RIVER | Michigan | 1959 | 784 | 44.2 m | |
| PAW PAW RIVER | Michigan | 1970 | 780 | 36.8 m | |
| ROUGE RIVER | Michigan | 1961 | 779 | 9.3 m | |
| SANDSTONE CREEK | Michigan | 1944 | 765 | 7.3 m | |
| N B CLINTON RIVER | Michigan | 1955 | 760 | 11.5 m | |
| BETSIE RIVER | Michigan | 1974 | 760 | 13.4 m | |
| BLACK CREEK | Michigan | 1970 | 755 | 28.0 m | |
| LEVERIDGE DRAIN | Michigan | 1972 | 754 | 9.9 m | |
| N BR ECORSE RIVER | Michigan | 1968 | 750 | 15.8 m | |
| HURON RIVER | Michigan | 1964 | 750 | 12.2 m | |
| MENOMINEE RIVER | Michigan | 1967 | 749 | 138.7 m | |
| MUD CREEK | Michigan | 1963 | 746 | 10.0 m | |
| MIDDLE BR DRAIN | Michigan | 1930 | 742 | 7.1 m | |
| SAND CREEK | Michigan | 1972 | 740 | 10.9 m | |
| N BRANCH CROCKERY CREEK | Michigan | 1973 | 735 | 16.7 m | |
| PRAIRIE RIVER | Michigan | 1979 | 733 | 20.1 m | |
| PINE RIVER | Michigan | 1987 | 730 | 31.7 m | |
| AU SABLE RIVER | Michigan | 1976 | 730 | 60.9 m | |
| ORE CREEK | Michigan | 1923 | 730 | 6.2 m | |
| COLDWATER RIVER | Michigan | 1971 | 716 | 23.7 m | |
| KALAMAZOO RIVER | Michigan | 1968 | 714 | 58.5 m | |
| S BR BLACK RIVER | Michigan | 1967 | 705 | 16.4 m | |
| ELK RIVER | Michigan | 1979 | 704 | 32.9 m | |
| BRENT RUN | Michigan | 1929 | 701 | 10.6 m | |
| SANDSTONE CREEK | Michigan | 1973 | 700 | 23.7 m | |
| SOUTH BR CHIPPEWA RIVER | Michigan | 1974 | 693 | 15.8 m | |
| I-94 | Michigan | 1964 | 690 | 88.9 m | |
| RABBIT RIVER | Michigan | 1971 | 682 | 23.7 m | |
| I-75 | Michigan | 1956 | 680 | 92.3 m | |
| MAPLE RIVER | Michigan | 1970 | 677 | 48.4 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.