US 2 over Callahan Creek
Fair Condition37 years old3,671 vehicles/day
Location
| State | Montana |
| County | Lincoln |
| Location | Troy |
| Carries | US 2 |
| Crosses | Callahan Creek |
| Coordinates | 48.45642, -115.89141 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 169.0 ft (51.5 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 46.9 ft (14.3 m) |
| Deck Area | 736.5 sq m |
| Main Spans | 2 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 3,671 (2023) |
| Truck Traffic | 4% |
| 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 | P00001014+05731 |