Colleen DR over Blue Creek 125
Fair Condition47 years old100 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | 3m SE Billings |
| Carries | Colleen DR |
| Crosses | Blue Creek 125 |
| Coordinates | 45.72383, -108.51987 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 74.1 ft (22.6 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 223.7 sq m |
| Main Spans | 1 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L56327000+01001 |