IRR - US 2 over Big Muddy River
Fair Condition14 years old917 vehicles/day
Location
| State | Montana |
| County | Roosevelt |
| Location | 5m W Culbertson |
| Carries | IRR - US 2 |
| Crosses | Big Muddy River |
| Coordinates | 48.16528, -104.63003 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 289.0 ft (88.1 m) |
| Max Span | 96.5 ft (29.4 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 1162.9 sq m |
| Main Spans | 3 |
| Year Built | 2012 |
Traffic
| Avg Daily Traffic | 917 (2023) |
| Truck Traffic | 8% |
| 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 | P00001639+01881 |