IRR RTE BIA 55 over Willow Creek Tributary
Fair Condition21 years old70 vehicles/day
Location
| State | Montana |
| County | Glacier |
| Location | At Blackfoot |
| Carries | IRR RTE BIA 55 |
| Crosses | Willow Creek Tributary |
| Coordinates | 48.57541, -112.87717 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 57.7 ft (17.6 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 157.4 sq m |
| Main Spans | 1 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 70 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000C147 |