PACIFIC NORTHWEST EDITION
A Supplement to:
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April 23 2023 Vol. VII • No. 9
“The Nation’s Best Read Construction Newspaper… Founded in 1957.” Your Pacific Northwest Connection – Sharon Swanson – 1-760-518-4336 – sswanson@cegltd.com
Construction Season Begins On Washington’s Interstate 90 Several road improvement projects along Interstate 90 now through the fall are being planned and executed by contractor crews working for the Washington Department of Transportation. Dozens of bridges are being repaired, slopes are being stabilized and many sections of pavements will receive upgrades on the Washington state highway system. There also are a number of new projects that will start to take shape along I-90, marking a very busy construction season for local contractors. “This year there will be multiple projects along I90,” said Brian White, WSDOT assistant region administrator of design and construction. As part of the planned upgrades, contractor crews also will resume work on the I-90 Snoqualmie Pass East Project to continue building a wider, safer and more reliable stretch of highway between the Cabin Creek and West Easton interchanges. Rock blasting resumes in June and will be complete in the fall. The I-90 Snoqualmie Pass East Project is a nearly $1 billion project that has been constructed in phases, with the fourth phase scheduled to begin in spring 2026. The final 2 mi. of Phase 1 was completed in 2019. That included widening I-90; replacing and building new bridges, two of which are new avalanche bridges; stabilizing rock slopes; and expanding chain up and chain off areas. It also included two 150-ft. wildlife undercrossings and two 900-ft. long wildlife crossing bridges. Phase 2 and 2A covered the next 2 mi. of the corridor and featured similar upgrades, along with the wildlife crossings. It was also completed in 2019. Phase 3 widened I-90, built truck climbing lanes and straightened curves. That phase was being worked on as recently as 2021. The next phases will be part of the planned upgrades. see CONSTRUCTION page 4
As part of upgrades on Interstate 90, the Washington Department of Transporatation has announced that dozens of bridges are being repaired, slopes are being stabilized and many sections of pavements will receive necessary upgrades on the state highway system.
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