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Construction Begins on Sumner Interchange

09.10.19 | Leave a Comment

Sumner, WA – Ground broke at the site of the State Route 410/Traffic Avenue interchange improvements project on Thursday, September 5. The interchange serves the rapidly growing communities of Sumner, Puyallup, Bonney Lake, and Orting in East Pierce County. Construction began on Monday, September 9 and will last through late 2021.

The improvements include a new bridge parallel to the existing two-lane bridge over SR 410. The new bridge will include a 14-foot wide shared use path for bikes and pedestrians. When complete, those commuting from Sumner to Puyallup during peak hours can expect a 7.5-minute reduction in commute time.  With Sound Transit’s Sumner Station nearby, the improvements will encourage ridership of trains and buses as well.

The $17 million project will be funded by multiple sources – including $5 million from Sound Transit, $5 million in federal funds, $3 million from the Freight Mobility Strategic Investment Board, and a $3 million Transportation Improvement Board grant. The remaining balance will be funded by the City of Sumner, the Washington State Legislature, Port of Tacoma, and a private developer.

Stacie Kelsey, WSDOT; Michael Kosa and Andrew Leach, City of Sumner; Chuck Schott and Tammy Seymour, Parametrix

Engineering, planning, and environmental firm Parametrix, based in Puyallup, has provided alternatives analysis, environmental documentation, roadway design, stormwater design, sanitary sewer design, structural engineering, and land surveying for the project. The firm will now provide construction management services for the project. 

About Parametrix

Parametrix is a 100-percent employee-owned firm celebrating 50 years in business. We are comprised of 500 employee-owners providing inspired solutions in engineering, planning, and environmental sciences. We serve our clients from locations in Oregon, Washington, Idaho, Utah, New Mexico, and Nevada. Parametrix has been named one of Washington and Oregon’s 100 Best Companies to Work for. Connect with Parametrix: find us on Facebook, LinkedIn, Twitter, and Instagram @parametrix_inc.

Inspired People, Inspired Solutions, Making a Difference.