20th Avenue NE Bridge
Encyclopedia
The 20th Avenue NE Bridge (also known as the Ravenna Park Bridge) is a three-hinged, steel, lattice-arched bridge that spans a ravine in Seattle's Ravenna Park. It was designed by Frank M. Johnson under the direction of city engineer Arthur Dimock. Built in 1913, the structure is both listed in the National Register of Historic Places
and is a designated city landmark.
The structure is 354 feet (107.9 m) long. It has a 250 feet (76.2 m) arch that rises 41 feet (12.5 m) over the ravine. It supports an 18 feet (5.5 m) reinforced concrete roadway. The road has been closed to vehicular traffic since 1975, but it is accessible by pedestrians.
National Register of Historic Places
The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...
and is a designated city landmark.
The structure is 354 feet (107.9 m) long. It has a 250 feet (76.2 m) arch that rises 41 feet (12.5 m) over the ravine. It supports an 18 feet (5.5 m) reinforced concrete roadway. The road has been closed to vehicular traffic since 1975, but it is accessible by pedestrians.