SH 3 over ST Maries River
Poor Condition71 years old460 vehicles/day
Location
| State | Idaho |
| County | Shoshone |
| Location | 3.3 N. Clarkia |
| Carries | SH 3 |
| Crosses | ST Maries River |
| Coordinates | 47.05103, -116.28772 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 105.0 ft (32 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 278.4 sq m |
| Main Spans | 3 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 460 (2023) |
| Truck Traffic | 44% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000010090 |