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SR 529 - Ebey Slough Bridge Replacement

Status

November 2009

  • We are currently designing this project and are scheduled to advertise the project for competitive bidding in spring 2010. We expect to begin construction in summer 2010.
  • See a graphic representation of the new bridge.
  • The 2005 Legislative Funding Package provides $45.4 million to build a new bridge across the Ebey Slough near Marysville.
  • Learn more about projects in Snohomish County - sign up for our e-mail updates.

Overview
We will replace the existing two-lane bridge with a wider, four-lane bridge with sidewalks and a bike lane. We will also build an enclosed storm sewer system for roadway runoff,  retaining walls, and wetland protection and restoration features.

Why is WSDOT making these improvements?
The current bridge is a narrow, “swing-span” bridge that’s over 80 years old.  The bridge is at the end of its service life, and does not meet current traffic needs in the area.  Replacing the bridge will reduce costly temporary repairs and the cost of staffing the bridge. 

The Ebey Slough bridge is on the main commuter route for drivers traveling between Marysville and Everett.  The new fixed-span bridge will eliminate congestion caused by bridge openings.  The new bridge will also increase safety for bicyclists, pedestrians and drivers using the bridge.

The End Result
We will build a new four-lane, fixed-span, steel bridge to the east of the existing bridge.  The new bridge will feature sidewalks and separate bicycle lanes.  SR 529 will be realigned to meet the new bridge.  We will also add a two-way left turn lane just north of the new bridge.

Project Benefits

  • Safety. The existing bridge is at the end of its service life and needs to be upgraded or replaced in order to meet current WSDOT standards.  Replacing the bridge with a wider steel bridge is the most cost-effective option.  This project will also improve safety for bicyclists and pedestrians using the bridge. 
  • Congestion relief.  Eliminating bridge openings will reduce traffic congestion along this commuter route. 
  • Environment. This project includes several environmental improvements, including an enclosed storm sewer system for roadway runoff, wetland protection and restoration, and the construction of a new waterline in cooperation with the City of Marysville.

What is the project timeline?
Summer 2006 – We began designing the project.

March 2010 –  We will publicly advertise this project so that interested contractors can submit cost-estimate bids. We will select the contractor with the most competitive bid.

Summer 2010 – Construction begins.  We expect to complete this project by late 2012.

Financial Information

  • 2005 Gas Tax (Partnership funding) - $45.4 million
  • Existing Funds - $1.6 million
  • Total Funding Available From All Sources - $47 million

How can I get more information?
Contact:

Project Engineer Sharif Shaklawun
15700 Dayton Avenue North
PO Box 330310 MS: 103
Seattle, WA 98133-9710
Phone: (206) 440-4272
E-mail: ShaklaS@wsdot.wa.gov

Communications Meghan Soptich Pembroke
15700 Dayton Avenue North
PO Box 330310 MS: 103
Seattle, WA 98133-9710
Phone: (206) 440-4704
E-mail: Pembrom@wsdot.wa.gov

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