I 90 over Ronan Ranch Road
Fair Condition56 years old6,161 vehicles/day
Location
| State | Montana |
| County | Stillwater |
| Location | 7.4m W Park City |
| Carries | I 90 |
| Crosses | Ronan Ranch Road |
| Coordinates | 45.60006, -109.06175 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 79.1 ft (24.1 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 54.1 ft (16.5 m) |
| Deck Area | 397.6 sq m |
| Main Spans | 3 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 6,161 (2023) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00090419+00261 |