I 90 over St. Regis River
Fair Condition53 years old7,824 vehicles/day
Location
| State | Montana |
| County | Mineral |
| Location | 0.6m W Saltese |
| Carries | I 90 |
| Crosses | St. Regis River |
| Coordinates | 47.41205, -115.51859 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 153.9 ft (46.9 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 82.0 ft (25 m) |
| Deck Area | 1172.5 sq m |
| Main Spans | 3 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 7,824 (2023) |
| Truck Traffic | 25% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00090010+01221 |