Waddell & Harrington
ASB Bridge (Jackson County, Missouri)Consulting engineers, 1911
Vertical-lift through truss bridge over the Missouri River on the BNSF Railroad in Kansas City
Open to railroad traffic
Caddo Lake Bridge (Caddo Parish, Louisiana)Consulting engineers, 1914
Vertical lift bridge over Caddo Lake on LA 538 at Mooringsport
Open to pedestrians only
Columbia River Interstate Bridge (Multnomah County, Oregon)Northbound Engineers, 1917
Pair of vertical lift bridges over the Columbia River on I-5 between Vancouver and Portland in Portland
Open to traffic
Hawthorne Avenue Bridge (Multnomah County, Oregon)Engineers, 1910
Vertical lift bridge over Willamette River on Hawthorne Avenue in Portland
Open to traffic
Troutdale Bridge (Multnomah County, Oregon)Engineers, 1912
Truss bridge over Sandy River on Historical Columbia River Highway in Troutdale
Open to traffic