Waddell & Harrington
American engineering company
From Wikipedia, the free encyclopedia
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]
Notable projects
Bridges designed by the firm include the following, among others:
- Hawthorne Bridge, spanning the Willamette River in Portland, Oregon,[5] NRHP-listed[6]
- Interstate Bridge, spanning the Columbia River between Portland, Oregon, and Vancouver, Washington;[5] NRHP-listed (as the Portland–Vancouver Highway Bridge)[7]
- Steel Bridge, spanning the Willamette River in Portland[5]
- Iowa Central Railway Bridge over the Mississippi River at Keithsburg, Illinois, built in 1909, since demolished[3]
- Caddo Lake Bridge, LA 538, over the Caddo Lake Mooringsport, LA, NRHP-listed[4]
- City Waterway Bridge, 20th Ave., Spans Ravenna Park Ravine Tacoma, WA, NRHP-listed[4]
- Colorado Street Bridge, Colorado Blvd. Pasadena, CA, NRHP-listed[4]
- North 21st Street Bridge, spans Buckley Gulch, N. Fife and Oakes Tacoma, WA, NRHP-listed[4]
- North 23rd Street Bridge, spans Buckley Gulch, N. Fife and Oakes Tacoma, WA, NRHP-listed[4]
- Union Street Railroad Bridge and Trestle, Jct of Union St. NE and Water St. NE Salem, OR), NRHP-listed[4]
- ASB Bridge over the Missouri River at Kansas City