Every bridge in Kalkaska County, Michigan
15 inventoried bridges, busiest first
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Kalkaska County, Michigan, has 15 bridges in the 2025 National Bridge Inventory: 7 rated good, 7 fair, and 1 poor (as of ).
- This index lists every one of them, busiest first; each links to its own condition record.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Us-131|m-66|m-72|s over N Br Boardman River | 1940 | 8,567 | Fair |
| N Rapid City Road over Rapid River | 1983 | 5,800 | Good |
| Boardman Road over Boardman River | 1988 | 1,700 | Fair |
| Aarwood Road over Rapid River | 2012 | 1,340 | Good |
| M-66 over Manistee River | 1979 | 1,150 | Fair |
| W Sharon Road over Manistee River | 1958 | 1,060 | Good |
| N Sharon Road over Manistee River | 1971 | 330 | Fair |
| Coster Road over Manistee River | 1977 | 290 | Fair |
| N Sharon Rd/co 571 over North Br Manistee River | 2002 | 150 | Good |
| Boardman River Rd over N Br Boardman River | 1955 | 100 | Fair |
| Mecum Road over N Br Manistee River | 2012 | 100 | Good |
| Portage Creek Rd over Portage Creek | 1955 | 100 | Fair |
| Sunset Trail over Manistee River | 1989 | 89 | Good |
| Arf-aff Range Road over Portage Creek | 1999 | 50 | Good |
| Kniss Road over North Br Manistee River | 1910 | 19 | Poor |
Source: FHWA National Bridge Inventory, 2025.
Kalkaska County bridge conditions · Michigan bridges by county.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.