Three Mile DR over N-109
Good Condition12 years old6,086 vehicles/day
Location
| State | Montana |
| County | Flathead |
| Location | Kalispell-three Mile DR |
| Carries | Three Mile DR |
| Crosses | N-109 |
| Coordinates | 48.21133, -114.34578 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 136.5 ft (41.6 m) |
| Max Span | 66.9 ft (20.4 m) |
| Deck Width | 72.5 ft (22.1 m) |
| Deck Area | 919.4 sq m |
| Main Spans | 2 |
| Year Built | 2014 |
Traffic
| Avg Daily Traffic | 6,086 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | U06706000+06001 |