SH 28 over Lemhi River
Good Condition25 years old1,600 vehicles/day
Location
| State | Idaho |
| County | Lemhi |
| Location | 13 S. Salmon |
| Carries | SH 28 |
| Crosses | Lemhi River |
| Coordinates | 45.05511, -113.68906 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 318.9 sq m |
| Main Spans | 1 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 1,600 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000013426 |