of Springfield, Oregon
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Hamilton Construction began operations in 1939 and has grown into one of the premier bridge contractors in the Pacific Northwest. Hamilton has recently completed bridge projects for new innovative bridge designs and has also taken contracts for major bridge rehabilitation and repairs.
Highlights of Hamilton Construction's ability to construct new innovative structures include the 2001 Haynes Inlet Bridge in Coos County, Oregon and the new Willamette River Bridges in Eugene, Oregon.
Hamilton has also completed many large rehabilitation projects for the Oregon Department of Transportation including the south approach to the Conde McCullough Bridge in North Bend and the Siuslaw River Bridge in Florence.
BNSF - Washougal River Bridge
(Clark County, Washington)Built 2017Modern Warren through truss bridge over Washougal River on BNSF RailwayOpen to traffic
(Multnomah County, Oregon)2011 - Street Car Construction Contractor, 1912Rall-Bascule lift bridge over Willamette River on Broadway Street in PortlandOpen to traffic
Conde B. McCullough Memorial Bridge
(Coos County, Oregon)2008-2011 South Approach Rehabilitation Contractor, 1936Steel cantilevered through truss bridge over Coos Bay on US 101 in North BendOpen to traffic
Haynes Inlet Bridge
(Coos County, Oregon)Contractor, 2001Arch bridge over Haynes Inlet Slough (Coos Bay) on US 101Open to traffic
Isaac Lee Patterson Bridge
(Curry County, Oregon)Rehabilitation Contractor, 1930Concrete arch bridge over Rogue River on US 101 in Gold BeachOpen to traffic
Siuslaw River Bridge
(Lane County, Oregon)Rehabilitation Contractor, 1936Bascule bridge over Siuslaw River on US 101 in FlorenceOpen to traffic
(Douglas County, Oregon)Rehab. Contractor, 1923Concrete arch bridge over North Umpqua River on OR 99Open to Traffic