I 90 over Clark Fork River
Fair Condition56 years old11,802 vehicles/day
Location
| State | Montana |
| County | Granite |
| Location | 0.6m W Bearmouth |
| Carries | I 90 |
| Crosses | Clark Fork River |
| Coordinates | 46.70044, -113.44604 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 348.4 ft (106.2 m) |
| Max Span | 103.0 ft (31.4 m) |
| Deck Width | 80.7 ft (24.6 m) |
| Deck Area | 2612.5 sq m |
| Main Spans | 4 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 11,802 (2023) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00090137+03931 |