3700 North over Big Lost River
Good Condition16 years old50 vehicles/day
Location
| State | Idaho |
| County | Custer |
| Location | 1.2 E. Darlington |
| Carries | 3700 North |
| Crosses | Big Lost River |
| Coordinates | 43.81333, -113.39322 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 86.9 ft (26.5 m) |
| Max Span | 85.0 ft (25.9 m) |
| Deck Width | 23.3 ft (7.1 m) |
| Deck Area | 188.2 sq m |
| Main Spans | 1 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 50 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | Other Local Agencies |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000031726 |