I-90 over Avalanche Relief
Good Condition10 years old18,069 vehicles/day
Location
| State | Washington |
| County | Kittitas |
| Location | 3.3 E Jct SR 906 |
| Carries | I-90 |
| Crosses | Avalanche Relief |
| Coordinates | 47.35708, -121.36742 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1206.0 ft (367.6 m) |
| Max Span | 169.9 ft (51.8 m) |
| Deck Width | 59.1 ft (18 m) |
| Deck Area | 6616.8 sq m |
| Main Spans | 8 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 18,069 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0018127A0000000 |