I 90 over Clark Fork River
Fair Condition65 years old5,354 vehicles/day
Location
| State | Montana |
| County | Powell |
| Location | 1.2m S Deer Lodge |
| Carries | I 90 |
| Crosses | Clark Fork River |
| Coordinates | 46.37590, -112.73563 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 152.9 ft (46.6 m) |
| Max Span | 51.5 ft (15.7 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 573.2 sq m |
| Main Spans | 3 |
| Year Built | 1961 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 5,354 (2023) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00090187+06892 |