Project news

• Contractor crews are putting in the final plantings this week near the intersection of Ten Mile Road at State Route 539. No further lane closures are expected.
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Overview

In summer 2020, contractor crews with Matia Contractors working for the Washington State Department of Transportation will rehabilitate existing wetlands in the area of Fourmile Creek southeast of State Route 539 where it intersects with Ten Mile Road.

This project will mitigate the potential environmental impacts expected to result from highway construction, including the I-5/Northbound on-ramp at Bakerview Road and the future I-5/Slater Road improvements.

Needs & Benefits

Mitigation work will increase the size of the existing wetlands and help reconnect Fourmile Creek to its natural floodplain. Adding large logs and root wads to the wetland buffer will protect water quality in the restored area. Over time, these improvements and reconnections of waterways will help with flood control and expand habitat for native species such as salmon. Mitigation work also includes clearing and grubbing, earthwork, canary grass removal, planting and seeding.

What travelers can expect

In summer 2020, one lane of Ten Mile Road will close during construction of a stabilized entrance to the mitigation site.

Timeline

• Spring 2020: Advertised for competitive bidding.
• July 2020: Contract awarded to Matia Contractors
• Summer 2020: Construction scheduled to begin.
• Fall 2020: Construction scheduled to be complete.

Funding

This $589,514 project is funded by the Connecting Washington Account (CWA).