I-82 over SR 821 Whipple Wasteway
Poor Condition56 years old9,791 vehicles/day
Location
| State | Washington |
| County | Kittitas |
| Location | 3.2 E Jct I-90 |
| Carries | I-82 |
| Crosses | SR 821 Whipple Wasteway |
| Coordinates | 46.92644, -120.49816 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 357.0 ft (108.8 m) |
| Max Span | 131.9 ft (40.2 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 1370.9 sq m |
| Main Spans | 3 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 9,791 (2023) |
| Truck Traffic | 25% |
| 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 | 0008672C0000000 |