During the structure raising, flaggers will control traffic on Lombard Street and the westbound loop ramp from I-5 northbound. Motorists can expect twenty-minute delays. In addition to Lombard Street, the Portland Boulevard Overpass, Ainsworth Street Overpass, Alberta Street Overpass and the Failing Street Pedestrian Bridge are the structures that will be raised this summer. No impact to I-5 traffic is anticipated. The walls are being placed between Ainsworth and Cook Streets on the east side of I-5, and between Ainsworth and Beech streets on the west side.
Construction begins with the removal of shrubs and trees.
This provides the necessary space to site and install the new soundwalls. This activity as well as City of Portland sewer relocation may cause traffic and parking issues on local streets and alleys. May. Construction will start at Ainsworth Street and move south. It takes 2 to 3 months to complete any one soundwall. Walls 10 and 12 are about eighty percent complete.