IRR - S 24 over Alkali Creek
Fair Condition91 years old200 vehicles/day
Location
| State | Montana |
| County | Valley |
| Location | 10m S Opheim |
| Carries | IRR - S 24 |
| Crosses | Alkali Creek |
| Coordinates | 48.71256, -106.44736 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 77.1 ft (23.5 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 195.1 sq m |
| Main Spans | 4 |
| Year Built | 1935 (reconstructed 1976) |
Traffic
| Avg Daily Traffic | 200 (2023) |
| Truck Traffic | 34% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00031039+08961 |