Summer highway construction locations

Click on the flags for details.

View Snohomish County roadwork, summer 2013 in a larger map

The summer road-construction season is under way. Here’s a guide to the major work in coming months by contractors for the state of Washington and Snohomish County.

State highways

Unincorporated Arlington area: The state is replacing the single-lane Highway 9 bridge over Pilchuck Creek north of Arlington with a two-lane bridge. Work began in May and is scheduled to be finished in summer 2014. Flaggers will be present. Two weekend closures will be needed at the end to tie into the new bridge. Cost: $17.9 million.

Everett-Marysville: The state is replacing the giant wheels (trunnions) that raise and lower the drawbridge on southbound Highway 529 over the Snohomish River. Work is scheduled to begin in the fall. Two extended restrictions on marine traffic are planned, along with two weekend closures and up to 25 nighttime closures of the bridge to auto traffic. Cost: $3.2 million.

Lake Stevens: Two new roundabouts are being installed on Highway 92 at 99th Avenue NE and 113th Avenue NE. Construction began in June and is scheduled to be finished in August. Flaggers will close one lane each evening. A weeklong full closure of the highway is scheduled for Aug. 19-23. Cost: $7.7 million.

Snohomish: Work continues on the construction of a new overpass over U.S. 2 at Bickford Avenue. Work began last year and is scheduled to be finished this fall. Occasional nighttime closures and a 10-day closure of the Bickford intersection remain. Cost: $20 million.

Clearview: Crews are widening Highway 9 from 212th Street SE to 176th Street SE. Nighttime lane closures are planned on Highway 9 and adjacent county streets will be entirely closed on some weekends. A three-week closure of 180th Street SE is also planned. Work began 2011 and is scheduled to be finished this fall. Cost: $59 million.

Monroe: Highway 522 is being widened and a new bridge is being built over the Snohomish River. Work began in 2011 and is scheduled to wrap up in late 2014. Occasional midday closures for rock blasting and nighttime closures of ramps and lanes will be needed. Cost: $148 million.

Bothell: The state is widening I-405 from downtown Bellevue to I-5 in Lynnwood, adding express and toll lanes. Occasional nightly lane closures, rolling slowdowns and ramp closures are planned. Work began last year and is expected to continue into 2015. Total project cost (Bellevue to I-5): $464 million.

Lynnwood-Mountlake Terrace: Repaving southbound I-5 from 52nd Avenue W. to Highway 104, and repaving ramps at 220th Street SW, 236th Street SW and Highway 104. Preliminary work began this month. Occasional nighttime lane and ramp closures are planned from July through October. Cost: $5.4 million.

Arlington: Repaving Highway 531 (172nd Street NE) from 43rd Avenue NE to Highway 9. Work is to begin in July and conclude in the fall. Night work is planned. Cost: $1.8 million.

Lynnwood-south Everett: Adding sidewalks on the southbound side of Highway 99 and adding a traffic signal at Gibson Road. Work began in April and is scheduled to be finished in the fall. The project involves nightly lane closures. Cost: $2.7 million.

County roads

Unincorporated Marysville area: Snohomish County will replace an undersized culvert beneath 67th Avenue NE north of 152nd Street NE. The road will close for up to three weeks beginning in July or August. Drivers will follow a signed detour. Cost: $450,000.

Unincorporated Lynnwood area: Snohomish County will widen a one-mile stretch of 52nd Avenue W from 148th Street SW to the Lynnwood city limit. One lane will close around the clock from July 8 until October. The road will be open to one-way, local northbound traffic. Signed detours. Cost: $5.7 million; Alderwood Water/Sewer District contributes $297,000

Getchell: Snohomish County will replace an undersized culvert just west of 105th Avenue on Getchell Road and repair the damaged surface of the Little Pilchuck Creek bridge. The road will close in two locations July 8 and reopen Aug. 5. During the closure, drivers will follow signed detours. Cost: $132,000 for the culvert; $91,000 for the bridge

Unincorporated Arlington area: Snohomish County will replace a single-lane, 99-year-old bridge over Jim Creek on Jordan Road, east of Arlington near River Meadows Park, with a new, two-lane structure. Drivers can expect up to 25 full closures of the bridge of roughly 36 hours each. Work will continue through the summer. Cost: $4 million.

Unincorporated Bothell area: Snohomish County will replace the 47-year-old timber and concrete spanon Carter Road over Swamp Creek with a longer, wider bridge. The bridge closed to traffic on June 20 and will reopen this fall. Drivers are following signed detours. Cost: $2.2 million

More about construction

Washington State Department of Transportation: wsdot.wa.gov/projects/index.htm

Snohomish County Public Works: www1.co.snohomish.wa.us/Departments/Public_Works/Services/Roads/Projects

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