IRR - S24 over West Fk Porcupine Creek
Good Condition2 years old292 vehicles/day
Location
| State | Montana |
| County | Valley |
| Location | 18 Mile South Opheim |
| Carries | IRR - S24 |
| Crosses | West Fk Porcupine Creek |
| Coordinates | 48.56216, -106.54049 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 113.8 ft (34.7 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 374.8 sq m |
| Main Spans | 2 |
| Year Built | 2024 |
Traffic
| Avg Daily Traffic | 292 (2023) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000202405733 |