County RD 20 over Big Boulder Creek
Good Condition30 years old212 vehicles/day
Location
| State | Oregon |
| County | Grant |
| Location | 22.3 Mi W US 26 |
| Carries | County RD 20 |
| Crosses | Big Boulder Creek |
| Coordinates | 44.66780, -118.71660 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 64.0 ft (19.5 m) |
| Max Span | 62.0 ft (18.9 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 214.5 sq m |
| Main Spans | 1 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 212 (2020) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 23C203020 02230 |