Thorp Prairie Road over Hiline Canal
Good Condition47 years old432 vehicles/day
Location
| State | Washington |
| County | Kittitas |
| Location | 01.38 E I-90 X-ing |
| Carries | Thorp Prairie Road |
| Crosses | Hiline Canal |
| Coordinates | 47.12373, -120.80108 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Tee Beam |
| Total Length | 79.1 ft (24.1 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 212.1 sq m |
| Main Spans | 1 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 432 (2022) |
| Truck Traffic | 26% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 081326000000000 |