N. St. Charles over Lemhi River
Poor Condition78 years old310 vehicles/day
Location
| State | Idaho |
| County | Lemhi |
| Location | 0.4 N. 0.3 E. Salmon |
| Carries | N. St. Charles |
| Crosses | Lemhi River |
| Coordinates | 45.18158, -113.88889 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 79.1 ft (24.1 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 118.1 sq m |
| Main Spans | 2 |
| Year Built | 1948 (reconstructed 1965) |
Traffic
| Avg Daily Traffic | 310 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000032755 |