I 90B over S.fk.cda R;i-90b Arch
Shoshone County, Idaho · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 90B over S.fk.cda R;i-90b Arch in Shoshone County, Idaho, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1940, making it 85 years old at the 2025 inventory.
- It carries about 2,300 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- 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 → (47.47161, -115.91964)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 4 | Poor condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 94 ft |
| Location | In Wallace;bank St. |
| NBI structure number | 000000000017250 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
All bridges nearby: Shoshone County, ID bridge conditions · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.