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 Seattle ( ) is the most populous city in the U.S. state of Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the 18th-most populous city in the United States. The city is the cou ...

, Washington, United States' 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 The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...

and is a designated city landmark. The structure is long. It has a arch that rises over the ravine. It supports an reinforced concrete roadway. Beginning on March 11, 1975, a four-month trial began wherein the bridge was closed to vehicular traffic. The bridge did not meet the standards for arterial roads at the time, and upgrading the bridge would have been cost prohibitive. The trial period was successful and the bridge has been closed to vehicle travel ever since, but it is accessible by pedestrians and cyclists. Image:20th Avenue NE Bridge, Seattle, 1914.jpg, The newly constructed 20th Avenue NE Bridge (now known as Ravenna Park Bridge), Seattle, Washington, U.S., 1914. Originally a bridge for automobiles, it was eventually pedestrianized. Image:Cycling Over Ravenna Park Bridge (now a pedestrian and cyclist bridge only).JPG, A person rides a bike over the 20th Avenue NE Bridge.

References

{{Bridges of Seattle Bridges in Seattle Bridges completed in 1913 Road bridges on the National Register of Historic Places in Washington (state) National Register of Historic Places in Seattle Pedestrian bridges in Washington (state) Former road bridges in the United States 1913 establishments in Washington (state) Open-spandrel deck arch bridges in the United States Steel bridges in the United States