The Portland Bridge Portland, OR Floating Bridges and Docks Incorporate Slip Resistant Aluminum Plate Company: City of Portland Location: Portland, OR Industry: Infrastructure Website: www.portlandonline.com The Portland Bridge is located in Portland, Oregon on the Willamette River. The Willamette River is a major tributary of the Columbia River and separates the City of Portland at its mouth into the Columbia. The Willamette Basin is home t

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