IRR - S 24 over Mid Fk Porcupine Creek
Good Condition8 years old200 vehicles/day
Location
| State | Montana |
| County | Valley |
| Location | 11m S Opheim |
| Carries | IRR - S 24 |
| Crosses | Mid Fk Porcupine Creek |
| Coordinates | 48.70792, -106.45755 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 163.4 ft (49.8 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 537.8 sq m |
| Main Spans | 3 |
| Year Built | 2018 |
Traffic
| Avg Daily Traffic | 200 (2023) |
| Truck Traffic | 34% |
| 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 | 000000201805736 |