North Allis Hwy over Rainy River
Presque Isle County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- North Allis Hwy over Rainy River in Presque Isle County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1948 and reconstructed in 2007, making it 77 years old at the 2025 inventory.
- It carries about 1,000 vehicles a day (traffic count year 2007).
- Its listed owner is the county highway agency.
- It is one of 16 of the 37 inventoried bridges in Presque Isle County rated good (43.2%); 4 (10.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (45.4088, -84.17912)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 109 ft |
| Location | 4 Mi NE of Onaway |
| NBI structure number | 000000000008975 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Presque Isle County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| M-68 over Rainy River | 1954 | 3,382 | Fair |
| M-68 over Ocqueoc River | 1954 | 3,382 | Fair |
| US-23 over Swan River | 1939 | 3,242 | Good |
| US-23|BRADLEY Hwy over Trout River | 1939 | 1,939 | Fair |
| Millerburg Road over Ocqueoc River | 1948 | 1,750 | Fair |
| M-68 over Little Ocqueoc River | 1959 | 1,564 | Good |
All bridges nearby: Presque Isle County, MI bridge conditions · every bridge in Presque Isle County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.