SR 18 over Up Rr
Good Condition54 years old50,541 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.6 E Jct SR 167 |
| Carries | SR 18 |
| Crosses | Up Rr |
| Coordinates | 47.30317, -122.23972 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 284.1 ft (86.6 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 67.3 ft (20.5 m) |
| Deck Area | 1775.3 sq m |
| Main Spans | 4 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 50,541 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0009058A0000000 |