SR 18 over Holder CR Hobart RD
Good Condition65 years old11,615 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 4.6 E Jct SR 169 |
| Carries | SR 18 |
| Crosses | Holder CR Hobart RD |
| Coordinates | 47.43558, -121.97622 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 304.1 ft (92.7 m) |
| Max Span | 120.1 ft (36.6 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 1214.4 sq m |
| Main Spans | 3 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 11,615 (2023) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0006541A0000000 |