SR 18 over Holder CR Hobart RD
Good Condition30 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 | 47.43544, -121.97611 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 327.1 ft (99.7 m) |
| Max Span | 101.0 ft (30.8 m) |
| Deck Width | 39.7 ft (12.1 m) |
| Deck Area | 1206.4 sq m |
| Main Spans | 4 |
| Year Built | 1996 |
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 | Bridge is not eligible for the National Register |
| Structure Number | 0014567F0000000 |