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 |
|---|---|---|---|---|---|
| TAHQUAMENON RIVER | Michigan | 1967 | 20 | 7.3 m | |
| TEN MILE CREEK | Michigan | 1940 | 20 | 9.4 m | |
| N BR PENTWATER RIVER | Michigan | 1912 | 20 | 14.9 m | |
| LITTLE MUNNSCING | Michigan | 2001 | 20 | 9.1 m | |
| BIG MEADOW DRAIN | Michigan | 1977 | 20 | 6.7 m | |
| NORTH BR MANISTEE RIVER | Michigan | 1910 | 19 | 8.5 m | |
| ROCK RIVER | Michigan | 1924 | 17 | 18.6 m | |
| SALINE RIVER | Michigan | 1937 | 16 | 18.3 m | |
| HURON RIVER | Michigan | 1992 | 15 | 21.9 m | |
| NORTH BR STUTTS CREEK | Michigan | 1951 | 15 | 7.1 m | |
| CARP RIVER | Michigan | 1962 | 15 | 27.6 m | |
| MIDDLE BR ONTONAGON RIV | Michigan | 1927 | 13 | 9.7 m | |
| CISCO BR ONTONAGON RIVER | Michigan | 1920 | 11 | 19.8 m | |
| EAST BR MUNUSCONG RIVER | Michigan | 1990 | 10 | 7.9 m | |
| N BRANCH OF FORD RIVER | Michigan | 1957 | 10 | 15.9 m | |
| PRESQUE ISLE RIVER | Michigan | 1906 | 10 | 21.3 m | |
| BLACK RIVER | Michigan | 1940 | 10 | 19.8 m | |
| PINE LAKE OUTLET DRAIN | Michigan | 1925 | 10 | 7.9 m | |
| DEER CREEK | Michigan | 1945 | 10 | 9.4 m | |
| N BR TWO HEARTED RIVER | Michigan | 1935 | 10 | 7.3 m | |
| BIG BEAR CREEK | Michigan | 1910 | 10 | 7.6 m | |
| MICHIGAMME RIVER | Michigan | 1934 | 10 | 45.7 m | |
| WHITMORE DRAIN | Michigan | 1910 | 10 | 9.1 m | |
| QUAKER BROOK | Michigan | 1988 | 10 | 6.9 m | |
| N BR FORD RIVER | Michigan | 2008 | 10 | 14.1 m | |
| HOG ISLAND CREEK | Michigan | 1997 | 10 | 7.8 m | |
| BLACK RIVER | Michigan | 1930 | 10 | 10.2 m | |
| SAWMILL CREEK | Michigan | 1985 | 10 | 7.7 m | |
| W BR OTTER RIVER | Michigan | 1997 | 10 | 13.7 m | |
| TENDERFOOT CREEK | Michigan | 1927 | 7 | 14.3 m | |
| GROSBECK CREEK | Michigan | 1927 | 7 | 6.4 m | |
| BIRCH RUN CREEK | Michigan | 1910 | 7 | 15.8 m | |
| CASS RIVER OVERFLOW | Michigan | 1979 | 6 | 15.2 m | |
| WHITEFISH RIVER | Michigan | 1910 | 5 | 12.8 m | |
| WHITEFISH RIVER | Michigan | 1910 | 5 | 14.0 m | |
| DEXTER CREEK | Michigan | 1920 | 5 | 7.0 m | |
| BIG CREEK A DRAIN | Michigan | 1917 | 5 | 7.6 m | |
| SILVER CREEK | Michigan | 1970 | 5 | 8.8 m | |
| SAND RIVER | Michigan | 1980 | 5 | 7.3 m | |
| DUCK CREEK | Michigan | 1922 | 5 | 12.8 m | |
| PIPESTONE CREEK | Michigan | 1924 | 4 | 7.3 m | |
| STURGEON RIVER | Michigan | 1900 | 3 | 12.5 m | |
| BLACK RIVER | Michigan | 1994 | 3 | 8.5 m | |
| AU TRAIN RIVER | Michigan | 1910 | — | 27.4 m | |
| GILKEY CREEK | Michigan | 1989 | — | 11.5 m | |
| THREAD CREEK | Michigan | 1970 | — | 21.3 m | |
| SWARTZ CREEK | Michigan | 1924 | — | 18.2 m | |
| THREAD CREEK | Michigan | 1964 | — | 10.3 m | |
| I-675 | Michigan | 1971 | — | 62.2 m | |
| SMITH DRAIN | Michigan | 1988 | — | 15.8 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.