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.
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.
Every bridge in Clinton County → - all 215, busiest first, each with its own condition record.
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.