2900 West over Big Lost River
Fair Condition48 years old50 vehicles/day
Location
| State | Idaho |
| County | Butte |
| Location | 3.5 S. 1.2 E. Arco |
| Carries | 2900 West |
| Crosses | Big Lost River |
| Coordinates | 43.58636, -113.27686 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 57.1 ft (17.4 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Width | 22.3 ft (6.8 m) |
| Deck Area | 118.3 sq m |
| Main Spans | 1 |
| Year Built | 1978 (reconstructed 2019) |
Traffic
| Avg Daily Traffic | 50 (2023) |
| Truck Traffic | 20% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000031515 |