IRR - S 313 over Indian Service Canal
Fair Condition64 years old503 vehicles/day
Location
| State | Montana |
| County | Big Horn |
| Location | 10m SW ST Xavier |
| Carries | IRR - S 313 |
| Crosses | Indian Service Canal |
| Coordinates | 45.34736, -107.80225 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 66.9 ft (20.4 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 212.2 sq m |
| Main Spans | 1 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 503 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00313035+00261 |