Old County Road over Black River
Gogebic County, Michigan · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Old County Road over Black River in Gogebic County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1922, making it 103 years old at the 2025 inventory.
- It carries about 391 vehicles a day (traffic count year 1998).
- Its listed owner is the county highway agency.
- It is one of 22 of the 102 inventoried bridges in Gogebic County rated poor (21.6%); 22 (21.6%) 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 September 2024, on a 12-month routine inspection cycle.
- 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 → (46.47396, -90.00164)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 3 | 3 | Serious condition |
| Superstructure | 3 | 3 | Serious condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete girder and floorbeam |
| Length | about 129 ft |
| Location | Sec 13 Bessemer Twp |
| NBI structure number | 000000000002976 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 12 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.