Waddell & Harrington

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The Interstate Bridge, connecting Portland, Oregon, and Vancouver, Washington (and now used by Interstate 5)

Waddell & Harrington was an American engineering company that designed bridges from 1907 to 1915.[1] It was formed in 1907 as a partnership of John Alexander Low Waddell (1854–1938) and John Lyle Harrington (1868–1942) and was based in Kansas City, Missouri, but had offices in Portland, Oregon, and Vancouver, British Columbia.[1] The company designed more than 30 vertical-lift bridges for highways and railroads.[2][3]

The firm also designed one or more non-lift bridges, including the Colorado Street Bridge of Pasadena, California.

A number of its works are listed on the U.S. National Register of Historic Places (NRHP).[4]

Bridges designed by the firm include the following, among others:


  1. ^ a b Sheldrake, Arlen; et al. (2012). Steel Over the Willamette. Portland, Oregon: Pacific Northwest Chapter, National Railway Historical Society. pp. 7, 52. ISBN 978-0-9851207-0-2. 
  2. ^ Engineers
  3. ^ a b See list of Waddell & Harrington bridges in Appendix A of Historic American Engineering Record (HAER) No. IL-156, "Pittsburgh, Fort Wayne & Chicago Railway, Calumet River Bridge", pp. 50-52.
  4. ^ a b c d e f g National Park Service (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service. 
  5. ^ a b c Wood Wortman, Sharon; Wortman, Ed (2006). The Portland Bridge Book (3rd Edition). Urban Adventure Press. pp. 5, 180. ISBN 978-0-9787365-1-4. 
  6. ^ "Weekly list of actions taken on properties: 11/13/12 through 11/16/12". National Park Service. November 23, 2012. Retrieved May 14, 2013. 
  7. ^ "Oregon National Register List" (PDF). Oregon Parks and Recreation Department. June 6, 2011. p. 39. Retrieved August 15, 2012.