T-39; SR 169 Widening Project 1

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T-39; SR 169 Widening Project 1 (Witte RD to SE 240th ST) (Under Construction)      T-39; SR 169 Widening-1 - Project Map Photo

                        Before Photo                                                                         Project Map

Project will include:

  • Curb, gutter, landscape strip, 6-8' wide sidewalk, intermittent retaining wall, and bicycle lane on east side of SR169
  • A second northbound travel lane; center/left turn lane and planted median where warranted
  • Water quality treatment and stormwater flow control using low impact development facilities
  • ADA compliant curb ramps at SE 240th and Witte Road SE crossings
  • Channelization improvements along SR 169 and along SE 240th Street at SR 169

Project objectives are:

  • Complete a 5-lane multimodal transportation facility
  • Decrease congestion and address known major development (6,000+ homes) in an outside jurisdiction
  • Provide additional capacity and improved safety

For more information and comments, please contact our PW/CD Director, Tawni Dalziel, P.E., at tawni.dalziel@maplevalleywa.gov and/or 425-413-8800.


T-39 Project Road Closures

T-39 Project Updates

T-39 Project Photos

T-39 Project Information Poster [PDF]

T-39 Project Information [PDF]

T-39 Project Financial Summary [PDF]

T-39 RFP (Design) [PDF]

T-39 Invitation To Bid [PDF]

T-39 Addendum 1 - 02/05/2019 [PDF]

T-39 Addendum 2 - 02/12/2019 [PDF]

T-39 Addendum 3 - 02/15/2019 [PDF]

T-39 Bid Results - 02/19/2019 [PDF]