Stc6702;smelter RD over Big Lost River
Fair Condition52 years old260 vehicles/day
Location
| State | Idaho |
| County | Custer |
| Location | 0.2 S. Mackay |
| Carries | Stc6702;smelter RD |
| Crosses | Big Lost River |
| Coordinates | 43.90272, -113.61703 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 77.1 ft (23.5 m) |
| Max Span | 73.2 ft (22.3 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 188 sq m |
| Main Spans | 1 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 260 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | Other Local Agencies |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000031715 |