S Main ST over I-90
Good Condition58 years old2,071 vehicles/day
Location
| State | Washington |
| County | Kittitas |
| Location | 4.6 E Jct I-82 |
| Carries | S Main ST |
| Crosses | I-90 |
| Coordinates | 46.97111, -120.41333 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 285.1 ft (86.9 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 53.1 ft (16.2 m) |
| Deck Area | 1407.8 sq m |
| Main Spans | 4 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 2,071 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008386A0000000 |