Old US 10 over Big Ditch 017
Good Condition71 years old1,617 vehicles/day
Location
| State | Montana |
| County | Stillwater |
| Location | 6m W Park City |
| Carries | Old US 10 |
| Crosses | Big Ditch 017 |
| Coordinates | 45.60401, -109.03308 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 101.0 ft (30.8 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 311.1 sq m |
| Main Spans | 3 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 1,617 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L48245011+05001 |