NE Marymoor Way over Sammamish Slough
Fair Condition63 years old1,600 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.5 Mi S Of Sr-520 |
| Carries | NE Marymoor Way |
| Crosses | Sammamish Slough |
| Coordinates | 47.66221, -122.12462 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 117.1 ft (35.7 m) |
| Max Span | 53.1 ft (16.2 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 392.7 sq m |
| Main Spans | 3 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 1,600 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | Local Park/Forest Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 080543000000000 |