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SR 3 - Belfair Bypass Environmental Assessment - Completed July 2013

Project Status - Complete
SR3 Belfair bypass project map

Map shows area near SR 3 in Mason County where Environmental Assessment was conducted.

Connecting Washington funds passed by the 2015 Legislature funded construction of the Bypass.
Funding to design and build the corridor becomes available between 2019 and 2023.

See larger image

An Environmental Assessment was performed on the proposed SR 3 Belfair Bypass, which would provide a reliable high-speed route between Kitsap and Mason counties. Comments on the Environmental Assessment were accepted through March 31, 2013. 

See the preliminary design in this aerial graphic (pdf 2.3 mb).

The assessment fulfills WSDOT’s obligation under the National Environmental Policy Act and State Environmental Policy Act to disclose project effects and mitigation.

A revised Environmental Assessment (pdf 6 mb) was issued June 2013.

Here are answers to questions (pdf 44 kb) posed by your neighbors about the Belfair Bypass.

How You Benefit
Cross GlyphImproves Safety
A bypass would reduce congestion and improve safety through Belfair and provide an alternate route for emergency vehicles.

It will also serve as an alternate route in case of highway closures from collision or incidents on existing SR 3 in Belfair.
Car GlyphRelieves Congestion
The completed project will provide a two-lane highway on a new alignment with a proposed speed limit of 60 mph that will move regional traffic from Shelton to Bremerton around Belfair.

It will ensure efficient movement of freight, commute trips between Kitsap and Mason counties, accommodate seasonal influxes of tourist traffic, and serve general traffic needs through to the design year 2035.

Partnerships & Cooperation


This project is funded from the following sources:

Financial Data for PIN 300344C
Funding Source Amount ($ in thousands)
2003 Gas Tax (Nickel Funding) $0
2005 Gas Tax (TPA) $0
Pre-Existing Funds (PEF) $795
Total $795

Contact Us
Jeff Sawyer
Environmental Manager
Olympic Region Environmental & Hydraulics Office
PO Box 47417
Olympia, WA 98504-7417


Claudia Bingham-Baker
WSDOT Olympic Region Communications

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