Nimberger Road over Tamarack Creek
Montcalm County, Michigan · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nimberger Road over Tamarack Creek in Montcalm County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 283 vehicles a day (traffic count year 2003).
- Its listed owner is the county highway agency.
- It is one of 7 of the 121 inventoried bridges in Montcalm County rated poor (5.8%); 7 (5.8%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (43.43921, -85.3132)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 4 | Poor condition |
Bridge details
| Structure | Steel culvert |
| Length | about 34 ft |
| Location | 0.30 Mi N of M-46 |
| NBI structure number | 000000000007489 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Montcalm 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 |
All bridges nearby: Montcalm County, MI bridge conditions · every bridge in Montcalm County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.