Leffew Road over Big Bear Creek
Manistee County, Michigan · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Leffew Road over Big Bear Creek in Manistee County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 1 (imminent failure condition) on the 0-9 scale.
- It was built in 1910, making it 115 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 1993).
- Its listed owner is the county highway agency.
- It is one of 5 of the 35 inventoried bridges in Manistee County rated poor (14.3%); 5 (14.3%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 0): scour critical: bridge has failed and is closed to traffic.
- 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 → (44.45601, -86.03145)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 1 | 1 | Imminent failure condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 24 ft |
| Location | 5 Mi SW of Copemish |
| NBI structure number | 000000000006466 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 0: scour critical: bridge has failed and is closed to traffic |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Manistee 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 |
All bridges nearby: Manistee County, MI bridge conditions · every bridge in Manistee County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.