C140 Best Lane over Silver Creek Slough
Fair Condition34 years old48 vehicles/day
Location
| State | Oregon |
| County | Harney |
| Location | 071 Mi US HWY 20 |
| Carries | C140 Best Lane |
| Crosses | Silver Creek Slough |
| Coordinates | 43.59030, -119.62856 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 64.6 sq m |
| Main Spans | 1 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 48 (2020) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 25A03 C140 0707 |