S 154th ST over SR 518
Good Condition55 years old8,626 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 1.6 E Jct SR 509 |
| Carries | S 154th ST |
| Crosses | SR 518 |
| Coordinates | 47.46514, -122.30036 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 556.1 ft (169.5 m) |
| Max Span | 158.1 ft (48.2 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 2084.8 sq m |
| Main Spans | 5 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 8,626 (2016) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 7 |
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 | 0008745F0000000 |