I 90 over Clark Fork River
Fair Condition59 years old3,825 vehicles/day
Location
| State | Montana |
| County | Mineral |
| Location | 10.5m E Superior |
| Carries | I 90 |
| Crosses | Clark Fork River |
| Coordinates | 47.06883, -114.76487 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 825.8 ft (251.7 m) |
| Max Span | 194.9 ft (59.4 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 2441.5 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 3,825 (2023) |
| Truck Traffic | 24% |
| Lanes On 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 | I00090058+05501 |