The Sellwood Bridge replacement project is continuing to receive honors.

Slayden Construction of Stayton and partner Tempe, Arizona-based Sundt Construction were jointly recognized by the Associated General Contractors of America last week for their role in construction of the project estimated to cost $324 million. The award was given out at AGC‘s annual convention in New Orleans.

The bridge, which opened to traffic in 2016, was chosen by AGC as the recipient of its Construction Risk Partners Build America Award for best new highway and transportation project. The original 1925 structure was replaced with an entirely new bridge, which was built next to the original before being moved into place. The new bridge features an open steel deck arch structure, and meets current seismic regulations. It also has 12-foot-wide sidewalks and a pair of bicycle lanes.

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Crews on the Sellwood Bridge project are now preparing for the upcoming removal of the four continuous steel truss spans of the old bridge. Removal of concrete from the old deck was completed earlier this month, and general contractor Slayden/Sundt Joint Venture and steel removal subcontractor Emmert International are installing hydraulic jacks that will be used in the disassembly of the old truss span.

The span will be removed in a total of nine pieces, four of which will measure approximately 80 feet long and will be lowered to a barge by hydraulic jack. The other smaller pieces will be lowered using a barge crane. Each of the four 80-foot sections will take approximately two weeks to remove, and will be cut from the span by Slayden/Sundt crews using thermic cutters. Steel pans and welding blankets will be used to contain debris, as will a barge positioned below the workers.

The steel pieces will be shipped downriver to Schnitzer Steel for recycling. When the span removal is completed in July, the contractor will begin removal of in-water piles and support pieces.

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