Tinkham RD over I-90
Fair Condition53 years old71 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 11.7 E Jct SR 202 |
| Carries | Tinkham RD |
| Crosses | I-90 |
| Coordinates | 47.41525, -121.58594 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 357.9 ft (109.1 m) |
| Max Span | 129.9 ft (39.6 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 981.9 sq m |
| Main Spans | 3 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 71 (2012) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 7 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0009217A0000000 |