IRR - S 313 over Two Leggin Canal
Good Condition35 years old899 vehicles/day
Location
| State | Montana |
| County | Big Horn |
| Location | 7m SW Hardin |
| Carries | IRR - S 313 |
| Crosses | Two Leggin Canal |
| Coordinates | 45.65066, -107.65718 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (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 | 71.9 ft (21.9 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 245.3 sq m |
| Main Spans | 1 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 899 (2023) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00313007+08411 |