Sth 47 over Lost Creek
Iron County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sth 47 over Lost Creek in Iron County, Wisconsin, 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 2016, making it 9 years old at the 2025 inventory.
- It carries about 1,000 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 23 of the 48 inventoried bridges in Iron County rated good (47.9%); 2 (4.2%) 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 June 2024, on a 48-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 → (46.08594, -89.97853)
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 39 ft |
| Location | 250 East of Intersection |
| NBI structure number | B26004000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 48 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 Wisconsin department of transportation.
Busiest bridges in Iron County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Lrd Poplar St over Montreal River | 2010 | 5,593 | Fair |
| Sth 77-silver St over Montreal River | 1965 | 4,900 | Fair |
| Ush 2 over Soo Line/vaughn Creek | 1976 | 4,300 | Good |
| Ush 2 over W Br Montreal River | 1974 | 3,500 | Good |
| Ush 2 WB over Montreal River | 1961 | 3,000 | Fair |
| Ush 2 EB over Montreal River | 1961 | 3,000 | Fair |
All bridges nearby: Iron County, WI bridge conditions · every bridge in Iron County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.