SB I-405 Ramp over Benson Road
Good Condition16 years old11,338 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.4 N Jct SR 515 |
| Carries | SB I-405 Ramp |
| Crosses | Benson Road |
| Coordinates | 47.47367, -122.20422 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 252.0 ft (76.8 m) |
| Max Span | 123.0 ft (37.5 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 691.2 sq m |
| Main Spans | 2 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 11,338 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0017624B0000000 |