Potlatch Road over Big Creek Trestle
Poor Condition114 years old100 vehicles/day
Location
| State | Idaho |
| County | Shoshone |
| Location | 4.1 E. Calder |
| Carries | Potlatch Road |
| Crosses | Big Creek Trestle |
| Coordinates | 47.27011, -116.11042 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 2 (Critical) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 2 — Bridge closed (monitoring) |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 74.1 ft (22.6 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 14.4 ft (4.4 m) |
| Deck Area | 99.4 sq m |
| Main Spans | 1 |
| Year Built | 1912 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 100 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000030993 |