State Route 181 over Mill CR
Fair Condition72 years old20,000 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.1 Mi N Of S 277th ST |
| Carries | State Route 181 |
| Crosses | Mill CR |
| Coordinates | 47.35645, -122.24940 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 39.7 ft (12.1 m) |
| Deck Area | 221.4 sq m |
| Main Spans | 3 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 20,000 (2020) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0004718A0000000 |