US 95 over Whitebird Creek
Idaho County, Idaho · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 95 over Whitebird Creek in Idaho County, Idaho, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 2,800 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 114 of the 216 inventoried bridges in Idaho County rated fair (52.8%); 15 (6.9%) 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 February 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (45.75733, -116.30706)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel single box beam |
| Length | about 811 ft |
| Location | at Whitebird Wcl |
| NBI structure number | 000000000018365 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 9: foundations on dry land well above flood elevations |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Idaho County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 95 over Lawyers Canyon Creek | 1991 | 3,500 | Fair |
| US 95 over Little Salmon River | 1975 | 3,100 | Fair |
| SH 13 over M.fk.clearwater River | 1994 | 3,000 | Good |
| US 95 over Cottonwood Creek | 1978 | 3,000 | Fair |
| US 95 over Little Salmon River | 2017 | 2,600 | Good |
| US 95 over Little Salmon River | 1962 | 2,600 | Fair |
All bridges nearby: Idaho County, ID bridge conditions · every bridge in Idaho County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.