SH 28 over Lemhi River
Good Condition25 years old1,700 vehicles/day
Location
| State | Idaho |
| County | Lemhi |
| Location | 5.5 S. Salmon |
| Carries | SH 28 |
| Crosses | Lemhi River |
| Coordinates | 45.12972, -113.79722 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 87.9 ft (26.8 m) |
| Max Span | 85.0 ft (25.9 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 337.7 sq m |
| Main Spans | 1 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 1,700 (2023) |
| Truck Traffic | 10% |
| 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 | 000000000013446 |