Arboretum Sewer Trestle, Concrete bridge in Washington Park Arboretum, United States
The Arboretum Sewer Trestle spans 180 feet across Lake Washington Boulevard with six concrete and brick arches at a height of 23 feet.
Architects William Sayward and Walter Willcox designed this multiarched pedestrian bridge in 1910 to carry a new sewer line over the low ground.
The structure received recognition on the National Register of Historic Places in 1982 and obtained status as an official Seattle City Landmark.
The trestle functions as a pedestrian crossing over Lake Washington Boulevard, connecting different sections of the Washington Park Arboretum trail system.
The bridge displays early twentieth-century engineering methods through its combination of concrete and brick materials in a multiarch design.
Location: Seattle
GPS coordinates: 47.64250,-122.29800
Latest update: March 6, 2025 15:19
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