SR 900 over Tibbetts CR
Good Condition51 years old22,004 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 9.0 E Jct I-405 |
| Carries | SR 900 |
| Crosses | Tibbetts CR |
| Coordinates | 47.53999, -122.06323 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Channel Beam |
| Total Length | 29.5 ft (9 m) |
| Max Span | 28.2 ft (8.6 m) |
| Deck Width | 81.4 ft (24.8 m) |
| Deck Area | 223.2 sq m |
| Main Spans | 1 |
| Year Built | 1975 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 22,004 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0009931A0000000 |