Yard Office Road over Big Ditch 110
Fair Condition44 years old100 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | Laurel-yard Office Road |
| Carries | Yard Office Road |
| Crosses | Big Ditch 110 |
| Coordinates | 45.68707, -108.74059 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 83.3 sq m |
| Main Spans | 1 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | M56069000+00101 |