SR 18 Ramp over Holder CR
Fair Condition66 years old5,021 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.2 N Jct SR 18 |
| Carries | SR 18 Ramp |
| Crosses | Holder CR |
| Coordinates | 47.43698, -121.97773 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 67.9 ft (20.7 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 52.2 ft (15.9 m) |
| Deck Area | 329.1 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 5,021 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
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 | 0006403A0000000 |