I 90 over Int St. Regis
Fair Condition43 years old3,559 vehicles/day
Location
| State | Montana |
| County | Mineral |
| Location | St. Regis |
| Carries | I 90 |
| Crosses | Int St. Regis |
| Coordinates | 47.29663, -115.10008 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 124.3 ft (37.9 m) |
| Max Span | 51.2 ft (15.6 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 507.9 sq m |
| Main Spans | 3 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 3,559 (2023) |
| Truck Traffic | 28% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00090033+04072 |