Bridge conditions in Clinton County, Michigan
215 inventoried bridges · 34 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Clinton County has 34 bridges rated poor out of 215 inventoried, a 15.8% share that puts it well above the national rate of about 7%.
- 34 of the 215 bridges in Clinton County, Michigan, are rated in poor condition (15.8%) in the 2025 National Bridge Inventory, as of .
- 28 bridges (13.0%) are rated good and 153 (71.2%) fair.
- The median Clinton County bridge was built in 1982.
- The busiest poor-rated bridge is Clark Rd over Br of Looking Glass Rivr (built 1963), carrying about 4,198 vehicles a day.
Good 13.0% · Fair 71.2% · Poor 15.8% of 215 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Clark Rd over Br of Looking Glass Rivr | 1963 | 4,198 | Poor |
| M-21 over North Swargart Drain | 1977 | 4,192 | Poor |
| N Maple Street over Maple River | 1980 | 2,890 | Poor |
| Hollister Road over Maple River | 1948 | 2,720 | Poor |
| Schavey Road over Looking Glass River | 1981 | 2,500 | Poor |
| Price Rd over Stony Creek | 1928 | 2,377 | Poor |
| Meridian Rd over Alder Creek | 1979 | 1,532 | Poor |
| Shepardsville Rd over Maple River Branch | 1928 | 1,083 | Poor |
| Shepardsville Rd over Maple River | 1958 | 1,083 | Poor |
| Shepardsville Rd over Maple River | 1970 | 677 | Poor |
| Hollister Road over Looking Glass River | 1970 | 514 | Poor |
| Stone Road over Maple River Drain | 1938 | 505 | Poor |
| Kinley Road over Peet Creek | 1983 | 300 | Poor |
| Parks Road over Spaulding Extension | 1924 | 264 | Poor |
| Center Line Road over Kloeckner Creek | 1928 | 230 | Poor |
| Watson Road over SE Branch of Maple River | 1914 | 212 | Poor |
| Center Line Road over Bad Creek | 1968 | 183 | Poor |
| Centerline Road over Stony Creek | 1922 | 183 | Poor |
| Island Road over Cox Drain | 1981 | 180 | Poor |
| Williams Road over Spaulding Extension | 1924 | 160 | Poor |
| Peacock Road over Vermilion Creek | 1928 | 152 | Poor |
| Babcock Road over Looking Glass River | 1984 | 144 | Poor |
| Walker Road over Maple River | 1986 | 133 | Poor |
| Taft Road over Stony Creek | 1920 | 132 | Poor |
| Kinley Road over S Fork of Hayworth | 1890 | 119 | Poor |
| Anderson Road over S Fork of Hayworth Creek | 1980 | 106 | Poor |
| Bauer Road over Hayworth Creek | 1906 | 102 | Poor |
| Maple River Road over Maple River | 1920 | 100 | Poor |
| Lowell Road over Stony Creek | 1922 | 97 | Poor |
| Jones Road over Lost Creek | 1924 | 86 | Poor |
| Jones Road over Wieber Creek | 1924 | 86 | Poor |
| Taft Road over Maple River | 1924 | 86 | Poor |
| Jason Road over Bad Creek | 1920 | 64 | Poor |
| Bauer Road over Morris Drain | 1924 | 47 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-127 NB over Ferdun Creek | 1957 | 88,500 | Fair |
| US-127 SB over Coleman Rd | 1971 | 41,300 | Fair |
| US-127 NB over Coleman Rd | 1971 | 41,300 | Fair |
| I-96 over Husted & Landenburg Drn | 1957 | 38,938 | Fair |
| I-69 over Chandler Drain | 1973 | 37,978 | Fair |
| I-69 over Chandler Drain | 1973 | 37,978 | Fair |
| I-69 over Remy-chandler Drain | 1985 | 34,700 | Good |
| I-69 over Watson & Summers Drain | 1980 | 28,930 | Fair |
| US-127 over Remy Chandler Drain | 1994 | 28,718 | Fair |
| Webster Rd over I-69 | 1985 | 27,400 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Michigan: Michigan bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.