Elk Prairie Road over ST Joe River;calder Br.
Fair Condition36 years old160 vehicles/day
Location
| State | Idaho |
| County | Shoshone |
| Location | 0.1 S. Calder |
| Carries | Elk Prairie Road |
| Crosses | ST Joe River;calder Br. |
| Coordinates | 47.27392, -116.18866 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 295.9 ft (90.2 m) |
| Max Span | 98.1 ft (29.9 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 820.8 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 160 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000030730 |