I 115s over Excelsior AVE
Fair Condition71 years old100 vehicles/day
Location
| State | Montana |
| County | Silver Bow |
| Location | Butte |
| Carries | I 115s |
| Crosses | Excelsior AVE |
| Coordinates | 46.00345, -112.55024 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 155.8 ft (47.5 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 517.8 sq m |
| Main Spans | 3 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00115001+01871 |