Or 78 (hwy 442) over Silvies Slough (1st Br)
Good Condition16 years old1,858 vehicles/day
Location
| State | Oregon |
| County | Harney |
| Location | 0.7 Mi. E. Jct. US 20/395 |
| Carries | Or 78 (hwy 442) |
| Crosses | Silvies Slough (1st Br) |
| Coordinates | 43.58563, -119.04071 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 39.4 ft (12 m) |
| Max Span | 38.4 ft (11.7 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 146.4 sq m |
| Main Spans | 1 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 1,858 (2022) |
| Truck Traffic | 37% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20868 442 00069 |