Union Bridge & Construction Co.

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Big Creek Bridge (Lane County, Oregon)
Contractor, 1931
Reinforced concrete tied arch bridge over Big Creek on US 101
Open to traffic

Broadway Bridge (Multnomah County, Oregon)
Contractor, 1912
Rall-Bascule lift bridge over Willamette River on Broadway Street in Portland
Open to traffic

Brookport Bridge (Massac County, Illinois)
Built 1929
Ten-span through truss bridge on US 45 over the Ohio River at Brookport
Open to two-lane traffic

Fort Madison Bridge (Lee County, Iowa)
Built 1927
Toll double-decker through truss swing bridge over the Mississippi River on IA 2/IL 9/BNSF Railroad at Fort Madison
Open to traffic

Glasgow Bridge (Howard County, Missouri)
Built 1925
Lost five-span through truss bridge over the Missouri River on MO 240 at Glasgow
Superstructure replaced

Harahan Bridge (Shelby County, Tennessee)
Built 1916
Cantilevered through truss railroad bridge over the Mississippi River at Memphis
Open to railroad traffic on two tracks; road deck abandoned

Plattsmouth Bridge (Cass County, Nebraska)
Substructure, 1929
Through truss toll bridge over Missouri River on US 34 at Plattsmouth
Open to traffic

Snowden Bridge (Richland County, Montana)
Built 1914
Vertical-lift through truss bridge over the Missouri River on the BNSF Railroad
Open to railroad traffic

Steel Bridge (Multnomah County, Oregon)
Substructure Contractor, 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

Tenmile Creek Bridge (Lane County, Oregon)
Contractor, 1931
Rainbow arch bridge over Tenmile Creek on US 101
Open to traffic