IRR - S 451 over Pass Creek
Fair Condition77 years old299 vehicles/day
Location
| State | Montana |
| County | Big Horn |
| Location | 4m S Wyola |
| Carries | IRR - S 451 |
| Crosses | Pass Creek |
| Coordinates | 45.05642, -107.35634 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 65.0 ft (19.8 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 205.9 sq m |
| Main Spans | 4 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 299 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00451034+00441 |