SR 18 over Kent-black Diamond RD
Good Condition30 years old26,257 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 6.2 E Jct SR 164 |
| Carries | SR 18 |
| Crosses | Kent-black Diamond RD |
| Coordinates | 47.34761, -122.13925 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 271.0 ft (82.6 m) |
| Max Span | 92.8 ft (28.3 m) |
| Deck Width | 39.7 ft (12.1 m) |
| Deck Area | 999.5 sq m |
| Main Spans | 3 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 26,257 (2023) |
| Truck Traffic | 14% |
| 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 | 0014768A0000000 |