Fr 157 Old US-2 over Tamarack River
Iron County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Fr 157 Old US-2 over Tamarack River in Iron County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2008, making it 17 years old at the 2025 inventory.
- It carries about 99 vehicles a day (traffic count year 2000).
- Its listed owner is the county highway agency.
- It is one of 16 of the 54 inventoried bridges in Iron County rated good (29.6%); 12 (22.2%) 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 2024, 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 → (46.24699, -88.97825)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 76 ft |
| Location | 3.5 Mi NW of Elmwood |
| NBI structure number | 000000000004187 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
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.