Waddell & Harrington

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Amtrak S. Branch Chicago River Bridge (Cook County, Illinois)
Built 1915
Pratt through truss bridge over South Branch of Chicago River on Amtrak (BNSF)
Open to traffic

ASB Bridge (Jackson County, Missouri)
Built 1911
Vertical-lift through truss bridge over the Missouri River on the BNSF Railway in Kansas City
Open to railroad traffic

Caddo Lake Bridge (Caddo Parish, Louisiana)
Built 1914
Vertical lift bridge over Caddo Lake on LA 538 at Mooringsport
Open to pedestrians only

Colorado Blvd Bridge (Los Angeles County, California)
Design Firm, 1880
Concrete arch bridge over Arroyo Seco on Colorado Blvd. in Pasadena
Open to traffic

Columbia Slough Bridge (Multnomah County, Oregon)
Original Design Firm, 1916
Deck plate girder bridge over Columbia Slough on OR 99E (MLK Jr. Blvd)
Open to traffic

Hawthorne Bridge (Multnomah County, Oregon)
Engineering Firm, 1910
Vertical lift bridge over Willamette River on Hawthorne Blvd. in Portland
Open to traffic

I-5 - Interstate Bridge (Northbound) (Multnomah County, Oregon)
Design Engineer, 1917
Vertical lift bridge over the Columbia River on northbound I-5 between Vancouver and Portland in Portland
Open to traffic

Jordan Bridge (Chesapeake, Virginia)
Built 1926
Lost vertical lift bridge over South Branch Elizabeth River on VA 337 in Portsmouth
Bridge has been removed

Lake Shore & Michigan Southern Railway Bridges (Cook County, Illinois)
Built 1915
Abandoned warren through truss with all verticals bridge over Calumet River on former Lake Shore & Michigan Southern Ry (later New York Central RR)
Abandoned

M&StL Mississippi River Bridge (Mercer County, Illinois)
Built 1909
Vertical lift bridge that carried the M&StL across the Mississippi River at Keithsburg
Abandoned

Murray Morgan Bridge (Pierce County, Washington)
Engineers, 1913
Vertical lift bridge over Foss Waterway on E. 11th Street in Tacoma
Open to traffic

North 21st Street Bridge (Pierce County, Washington)
Design Firm, 1910
Girder bridge over Buckley Gulch on North 21st Street
Open to traffic

P.N.W.R. - Willamette River Bridge (Linn County, Oregon)
Engineering Firm, 1910
Vertical lift bridge over Willamette River on Portland and Western Railroad (P.N.W.R.)
Open to traffic

St. Paul Vertical Lift Railroad Bridge (Ramsey County, Minnesota)
Built 1913
Vertical lift bridge over Mississippi River in St. Paul


Steel Bridge (Multnomah County, Oregon)
Engineering Firm, 1912
Vertical-lift through truss bridge over Willamette River on OR 99W in Portland
Open to highway and light rail traffic on upper deck; bicycle/pedestrian and rail traffic on lower deck

Troutdale Bridge (Multnomah County, Oregon)
Consulting Engineering Firm, 1912
Pratt through truss bridge over Sandy River on Historical Columbia River Highway in Troutdale
Open to traffic

Twelfth Street Viaduct (Jackson County, Missouri)
Consulting engineers, 1915
Concrete viaduct over the railroad tracks on Twelfth Street, just west of downtown Kansas City
Open to traffic

Union Street Railroad Bridge (Marion County, Oregon)
Design Engineers, 1913
Pratt through truss bridge over Willamette River on Pedestrian/Bicycle trail (former Union Pacific Railroad) in Salem
Open to pedestrians