Chicagon Mine Rd over Chicagon Creek
Iron County, Michigan · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Chicagon Mine Rd over Chicagon Creek in Iron County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1900, making it 125 years old at the 2025 inventory.
- It carries about 142 vehicles a day (traffic count year 1994).
- Its listed owner is the county highway agency.
- It is one of 12 of the 54 inventoried bridges in Iron County rated poor (22.2%); 12 (22.2%) 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 → (46.0951, -88.50872)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Concrete |
| Length | about 27 ft |
| Location | 1.0 Mi West Ush 2 |
| NBI structure number | 000000000004199 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Iron County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| W Genesee(old US2) over Iron River Buried | 1918 | 8,200 | Poor |
| US-2|ADAMS St over Iron River | 1997 | 7,655 | Fair |
| US-2 over Chicagoan Creek | 1929 | 3,653 | Poor |
| US-2 over Fortune Lake Outlet | 1942 | 3,653 | Fair |
| M-69 over Paint River | 1924 | 3,080 | Fair |
| US-141 over Paint River | 1970 | 3,039 | Fair |
All bridges nearby: Iron County, MI bridge conditions · every bridge in Iron County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.