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Portland-Milwaukie Light Rail Transit Bridge near OMSI takes shape

by: DAVID F. ASHTON - Ross Island Sand & Gravel trucks back across the Portland-Milwaukie Light Rail Transit Bridges work bridge, delivering loads of concrete which are then pumped up to workers pouring the new bridges decking.The second crossing to carry MAX Light Rail cars across the Willamette River marked another construction milestone in mid-July.

“Wednesday, July 10th, marked the first 200-ton concrete segmental deck pour at the East Tower of the ‘Portland-Milwaukie Light Rail Transit Bridge’,” said TriMet Media Relations Manager Mary Fetsch.

On that day, and on July 12th, workers used 105 cubic yards of concrete to pave the two 16-foot long segments – each 75 feet wide – that will make up the future roadway, Fetsch told THE BEE.

“This is an important milestone, because it marks the start of segmental, balanced cantilevered deck construction from the East Tower,” Fetsch explained.

“This type of work began at the West Tower in late April. It also means that the bridge construction will now be building horizontally, and will connect in the middle, next summer.”

This cable-stayed bridge, the first of its kind, will carry light rail, buses, bikes, pedestrians, and will complete the east-side Portland Streetcar loop – but it will carry no private vehicles.