Bridge conditions in Manistee County, Michigan
35 inventoried bridges · 5 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 7 bridges in Manistee County is rated in poor condition: 5 of 35 on the federal inventory, one of the higher shares in Michigan.
- 5 of the 35 bridges in Manistee County, Michigan, are rated in poor condition (14.3%) in the 2025 National Bridge Inventory, as of .
- 12 bridges (34.3%) are rated good and 18 (51.4%) fair.
- The median Manistee County bridge was built in 1984.
- The busiest poor-rated bridge is Nine Mile Road over Big Bear Creek (built 1977), carrying about 2,006 vehicles a day.
Good 34.3% · Fair 51.4% · Poor 14.3% of 35 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 |
|---|---|---|---|
| Nine Mile Road over Big Bear Creek | 1977 | 2,006 | Poor |
| Kurick Road over Betsie River | 1974 | 760 | Poor |
| Kerry Road over Big Bear Creek | 1972 | 200 | Poor |
| Psutka Road over Betsie River | 1900 | 100 | Poor |
| Leffew Road over Big Bear Creek | 1910 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-31 over Manistee River | 1933 | 17,789 | Fair |
| M-115 over Betsie River | 1940 | 4,219 | Fair |
| M-55 over Pine Creek | 1932 | 4,202 | Fair |
| M-55 over Manistee River | 2021 | 3,408 | Good |
| M-55 over Pine River | 1934 | 3,175 | Fair |
| East Lake Road over Little Manistee River | 1964 | 3,000 | Fair |
| M-115 over Dutchman Creek | 1937 | 2,670 | Fair |
| M-22|northwood Hwy over Bowens Creek | 1964 | 2,206 | Fair |
| High Bridge R FH31 over Big Manistee River | 1993 | 2,015 | Good |
| Nine Mile Road over Big Bear Creek | 1977 | 2,006 | Poor |
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.