SR 18 Ramp over Soosette Creek
Good Condition29 years old6,021 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 4.7 E Jct SR 164 |
| Carries | SR 18 Ramp |
| Crosses | Soosette Creek |
| Coordinates | 47.33168, -122.15608 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 359.9 ft (109.7 m) |
| Max Span | 128.0 ft (39 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 932.5 sq m |
| Main Spans | 3 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 6,021 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0014776C0000000 |