West Union Road over Rock Creek
Fair Condition48 years old7,789 vehicles/day
Location
| State | Oregon |
| County | Washington |
| Location | 0041 Mi W 185th Avenue |
| Carries | West Union Road |
| Crosses | Rock Creek |
| Coordinates | 45.55928, -122.87626 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 101.0 ft (30.8 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 375.8 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 7,789 (2020) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 671339117500700 |