Bridge conditions in Montcalm County, Michigan
121 inventoried bridges · 7 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
7 of the 121 bridges the federal inventory lists in Montcalm County are rated poor; the rest split 45 good and 69 fair.
- 7 of the 121 bridges in Montcalm County, Michigan, are rated in poor condition (5.8%) in the 2025 National Bridge Inventory, as of .
- 45 bridges (37.2%) are rated good and 69 (57.0%) fair.
- The median Montcalm County bridge was built in 1979.
- The busiest poor-rated bridge is Pine Grove Road over S Branch Pine River (built 1920), carrying about 333 vehicles a day.
Good 37.2% · Fair 57.0% · Poor 5.8% of 121 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 |
|---|---|---|---|
| Pine Grove Road over S Branch Pine River | 1920 | 333 | Poor |
| Nimberger Road over Tamarack Creek | 1980 | 283 | Poor |
| Tamarack Road over Pine River | 1978 | 269 | Poor |
| Stevenson Road over W Br Fish Creek | 1970 | 105 | Poor |
| Tamarack Road over Tamarack Creek | 1998 | 57 | Poor |
| Amsden Road over Dickerson Creek | 1905 | 37 | Poor |
| Nelson Road over Dickerson Creek | 1910 | 24 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-131SB & M-46sb over Tamarack Creek | 1972 | 26,700 | Fair |
| US-131NB & M-46nb over Tamarack Creek | 1972 | 26,700 | Fair |
| US-131 & M-46 SB over Kendaville Rd | 1971 | 26,700 | Fair |
| US-131 & M-46 NB over Kendaville Rd | 1971 | 26,700 | Fair |
| M-57 over Flat River | 1948 | 11,727 | Good |
| M-91 over Flat River | 1994 | 11,433 | Fair |
| US-131 NB over Handy Creek | 1979 | 10,150 | Good |
| US-131 SB over Handy Creek | 1979 | 10,150 | Good |
| US-131 NB over Bruce Creek | 1979 | 10,150 | Fair |
| US-131 SB over Bruce Creek | 1979 | 10,150 | 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.