I 90 over Int De Borgia
Good Condition50 years old3,724 vehicles/day
Location
| State | Montana |
| County | Mineral |
| Location | De Borgia |
| Carries | I 90 |
| Crosses | Int De Borgia |
| Coordinates | 47.37580, -115.35006 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 118.1 ft (36 m) |
| Max Span | 56.4 ft (17.2 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 482.4 sq m |
| Main Spans | 3 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 3,724 (2023) |
| Truck Traffic | 26% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00090018+09271 |