I 15 over Int Rock Cr-brownes Br R
Fair Condition53 years old1,926 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | 8m S Melrose |
| Carries | I 15 |
| Crosses | Int Rock Cr-brownes Br R |
| Coordinates | 45.52450, -112.70725 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 132.9 ft (40.5 m) |
| Max Span | 56.4 ft (17.2 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 542.7 sq m |
| Main Spans | 3 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 1,926 (2023) |
| Truck Traffic | 24% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015085+02241 |