I 90 over Rattler Gulch
Fair Condition55 years old13,081 vehicles/day
Location
| State | Montana |
| County | Granite |
| Location | 4.1m W Drummond |
| Carries | I 90 |
| Crosses | Rattler Gulch |
| Coordinates | 46.69666, -113.22566 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 21.0 ft (6.4 m) |
| Deck Width | 312.0 ft (95.1 m) |
| Deck Area | 608.6 sq m |
| Main Spans | 1 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 13,081 (2023) |
| Truck Traffic | 18% |
| Lanes On Bridge | 4 |
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 | I00090149+03001 |