EB I-90 over Lake Washington
Good Condition86 years old68,544 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 3.8 E Jct I-5 |
| Carries | EB I-90 |
| Crosses | Lake Washington |
| Coordinates | 47.58926, -122.25577 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Arch - Thru |
| Total Length | 890.1 ft (271.3 m) |
| Max Span | 227.0 ft (69.2 m) |
| Deck Width | 55.1 ft (16.8 m) |
| Deck Area | 4557.8 sq m |
| Main Spans | 1 |
| Year Built | 1940 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 68,544 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000KP0000000 |