Portland Bridge Co.

of Portland, Oregon
Elwha River Bridge (Clallam County, Washington)
Contractor, 1913
Deck truss bridge over Elwha River on Elwha River Road (Old WA 112)
Replaced by a Concrete Box Girder Bridge in 2008-09

Happy Valley Covered Bridge (Douglas County, Oregon)
Built 1916
Lost Bridge over South Umpqua River on Happy Valley Road
Replaced by new bridge

John Day River Bridge 37-04-01x (Clatsop County, Oregon)
Built 1918
Lost Howe through truss bridge over John Day River on Columbia River Highway
Replaced by a new bridge

Orange Street Bridge (Missoula County, Montana)
Built 1937
Lost deck truss bridge over Clark Fork on Orange Street in Missoula
Replaced by new bridge

Stark Street Bridge (Multnomah County, Oregon)
Contractor, 1914
Through truss bridge over Sandy River on Stark Street
Open to traffic