I 90 over Sep S-271
Good Condition60 years old4,666 vehicles/day
Location
| State | Montana |
| County | Granite |
| Location | 1.2m E Drummond |
| Carries | I 90 |
| Crosses | Sep S-271 |
| Coordinates | 46.64793, -113.11860 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 129.9 ft (39.6 m) |
| Max Span | 45.9 ft (14 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 471.2 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 4,666 (2023) |
| Truck Traffic | 24% |
| Lanes On Bridge | 2 |
| Lanes Under 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 | I00090155+07871 |