IRR BIA RTE 133 over Box Elder Creek
Fair Condition42 years old60 vehicles/day
Location
| State | Montana |
| County | Hill |
| Location | .2 S RTE 24 1.6 SE Sangry |
| Carries | IRR BIA RTE 133 |
| Crosses | Box Elder Creek |
| Coordinates | 48.27242, -109.80833 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 133.1 sq m |
| Main Spans | 1 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 60 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000C913 |