42nd AVE So over Duwamish River
Poor Condition77 years old3,185 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.04 Mi E Of Sr-599 |
| Carries | 42nd AVE So |
| Crosses | Duwamish River |
| Coordinates | 47.48975, -122.28028 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 284.1 ft (86.6 m) |
| Max Span | 220.1 ft (67.1 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 788.1 sq m |
| Main Spans | 1 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 3,185 (2022) |
| Truck Traffic | 30% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 081097000000000 |