Project Title & Location
SR 520 Bridge Replacement and HOV Project

Project Description
The overall project will replace the SR 520 floating bridge and associated approaches. This project is currently funded to complete the environmental review, including an Environmental Impact Statement through the Record of Decision, early right-of-way acquisitions, and design.

Contractor/Consultant
Parametrix of Sumner, Washington is the prime consultant design engineer.

Recent Progress
Nickel funding began July 1, 2003.  Recent project milestones accomplished include: 1.)completed West End Water Quality Study; 2.) investigated sunken vessels found during mapping of the Lake Washington floor; 3.)developed and screened I-5 improvement options for SR520 8-lane alternative;  4.) held public open houses in late October 2003; 5.) started Right of Way coordination and identified several potential parcels for early Right of Way purchase.  To get cost and descriptions of project options see the project web page.

Design Construction Impacts
A Draft Environmental Impact Statement will be issued in Summer 2005.  A preferred alternative should be identified by Summer/Fall 2005.  Funding for further stages of this project depends upon additional funding from the Regional Transportation Investment District (RTID) and tolling.  For estimated project construction costs for the project options under consideration visit the project web page.

Environmental Impacts / Compliance
Environmental assessment and documentation is underway and on schedule.  Work remains within scope and budget.

Impacts to Traffic
Not yet fully determined.

Planned vs. Actual Expenditures
(Total Project Cost)

Nickel funds included in above costs

2005 Transportation Partnership Account