I-90 over W Snoqualmie Ic
Fair Condition50 years old26,372 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 1.7 E Jct SR 18 |
| Carries | I-90 |
| Crosses | W Snoqualmie Ic |
| Coordinates | 47.51344, -121.84919 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 165.0 ft (50.3 m) |
| Max Span | 159.1 ft (48.5 m) |
| Deck Width | 70.9 ft (21.6 m) |
| Deck Area | 1086.5 sq m |
| Main Spans | 1 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 26,372 (2023) |
| Truck Traffic | 18% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0009900D0000000 |