I 90 over Int Henderson
Fair Condition46 years old7,448 vehicles/day
Location
| State | Montana |
| County | Mineral |
| Location | 3.1m E De Borgia |
| Carries | I 90 |
| Crosses | Int Henderson |
| Coordinates | 47.35457, -115.29358 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 138.1 ft (42.1 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 91.2 ft (27.8 m) |
| Deck Area | 1170.4 sq m |
| Main Spans | 3 |
| Year Built | 1980 (reconstructed 2007) |
Traffic
| Avg Daily Traffic | 7,448 (2023) |
| Truck Traffic | 26% |
| Lanes On Bridge | 4 |
| 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 | I00090022+00131 |