Or 78 (hwy 442) over Silvies Slough(4th Br)
Fair Condition55 years old1,858 vehicles/day
Location
| State | Oregon |
| County | Harney |
| Location | 1.0 Mi. E. Jct. US 20/395 |
| Carries | Or 78 (hwy 442) |
| Crosses | Silvies Slough(4th Br) |
| Coordinates | 43.58574, -119.03440 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 170.5 sq m |
| Main Spans | 1 |
| Year Built | 1971 |
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 | 03582A442 00101 |