S 484 Fh 51 over Otter Creek
Fair Condition63 years old85 vehicles/day
Location
| State | Montana |
| County | Powder River |
| Location | 7m SE Ashland |
| Carries | S 484 Fh 51 |
| Crosses | Otter Creek |
| Coordinates | 45.52125, -106.18525 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 102.7 ft (31.3 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 297.4 sq m |
| Main Spans | 2 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 85 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00484003+04001 |