SR 181 over Mill Creek
Good Condition104 years old30,762 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 3.0 N Jct SR 516 |
| Carries | SR 181 |
| Crosses | Mill Creek |
| Coordinates | 47.42050, -122.24925 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 37.1 ft (11.3 m) |
| Deck Width | 102.0 ft (31.1 m) |
| Deck Area | 360.8 sq m |
| Main Spans | 1 |
| Year Built | 1922 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 30,762 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008509B0000000 |