North Queen Anne Drive Bridge

North Queen Anne Drive Bridge
Crosses	Wolf Creek
Heritage status	Seattle city landmark
Characteristics
Design	deck arch
Material	steel and concrete
Total length	238-foot (73 m)
History
Opened	1936

The North Queen Anne Drive Bridge is a deck arch bridge that spans Seattle's Wolf Creek. The 238-foot (73 m) long steel and concrete structure was built in 1936 to replace the previous wood-constructed crossing. It serves as a connection between the Queen Anne neighborhood and the George Washington Memorial Bridge that carries State Route 99. The arch is unusually high and uses a minimal amount of supporting members. It was designated a city landmark on December 28, 1981, because of its unique engineering style.^[1][2]

An expansion joint suffered cracking and spalling during the 2001 Nisqually earthquake.^[3] The bridge has been retrofitted to make it more earthquake-resistant.^[4]

References

1. Wilma, David (April 17, 2001). "Seattle Landmarks: Queen Anne Drive Bridge (1936)". HistoryLink.org Online Encyclopedia of Washington State History. Retrieved April 4, 2011.
2. Crowley, Walt; Dorpat, Paul (1998). National Trust Guide, Seattle: America's Guide for Architecture and History Travelers. Preservation Press, J. Wiley & Sons. p. 251. ISBN 978-0-471-18044-9.
3. McDonough, Peter W. (2002). The Nisqually, Washington, Earthquake of February 28, 2001: Lifeline Performance. American Society of Civil Engineers. p. 76. ISBN 978-0-7844-0615-1.
4. Lange, Larry (August 2, 2007). "Steel-truss bridges get emergency look". Seattle Post-Intelligencer. Retrieved April 4, 2011.