County Road 309 over Lone Tree Creek 033
Fair Condition33 years old261 vehicles/day
Location
| State | Montana |
| County | Richland |
| Location | 1m SE Sidney |
| Carries | County Road 309 |
| Crosses | Lone Tree Creek 033 |
| Coordinates | 47.69575, -104.14181 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 58.1 ft (17.7 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 201.3 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 261 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L42309002+01001 |