US-2 over Slate River
Gogebic County, Michigan · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US-2 over Slate River in Gogebic County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1936, making it 89 years old at the 2025 inventory.
- It carries about 655 vehicles a day (traffic count year 2007).
- Its listed owner is the state highway agency.
- It is one of 56 of the 102 inventoried bridges in Gogebic County rated fair (54.9%); 22 (21.6%) 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 May 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (46.3682, -89.55752)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 30 ft |
| Location | 5.0 Mi E of M-64 |
| NBI structure number | 000000000002956 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Gogebic County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-2 over Powder Mill Creek | 1962 | 8,481 | Poor |
| US-2 Br over Montreal River | 1964 | 7,161 | Fair |
| US-2 over Diversion Ditch | 1946 | 5,387 | Fair |
| US-2 over Sunday Lake Outlet | 1947 | 5,387 | Fair |
| US-2 over Black River | 1947 | 5,286 | Fair |
| US-2 over Little Black River | 1947 | 5,281 | Fair |
All bridges nearby: Gogebic County, MI bridge conditions · every bridge in Gogebic County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.