Danford RD over Big Ditch 109
Fair Condition90 years old125 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | SW Billings |
| Carries | Danford RD |
| Crosses | Big Ditch 109 |
| Coordinates | 45.71179, -108.72036 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 102.5 sq m |
| Main Spans | 1 |
| Year Built | 1936 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 125 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L56527003+01001 |