South Thorp HWY over Yakima River
Fair Condition59 years old4,937 vehicles/day
Location
| State | Washington |
| County | Kittitas |
| Location | 00.30 SW I-90 |
| Carries | South Thorp HWY |
| Crosses | Yakima River |
| Coordinates | 47.00529, -120.59594 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 434.1 ft (132.3 m) |
| Max Span | 190.0 ft (57.9 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 1362.7 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 4,937 (2022) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 084433000000000 |