Gilpin Construction
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North Yamhill River Bridge (Yamhill County, Oregon)
Contractor, 1921Warren deck truss bridge over North Yamhill River on Southbound OR 99WOpen to traffic
Sauvie Island Bridge (1948) (Multnomah County, Oregon)
Contractor, 1948Lost Parker through truss bridge over Multnomah Channel on FAS A668 in PortlandReplaced by a new bridge in June 2008
Sellwood Bridge (1925) (Multnomah County, Oregon)
Contractor, 1925Baltimore deck truss bridge over Willamette River on Tacoma Street in PortlandReplaced by a new bridge
St. Johns Bridge (Multnomah County, Oregon)
Contractor, 1931Suspension bridge over Willamette River on US 30 Bypass in PortlandOpen to traffic
Yale Bridge (Clark County, Washington)
Contractor, 1932Suspension bridge over North Fork Lewis River on WA 503Open to traffic
Yaquina Bay Bridge (Lincoln County, Oregon)
Contractor, 1936Steel through arch bridge over Yaquina Bay on US 101 in NewportOpen to traffic