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129th Avenue Road & Safety Improvements

The stretch of roadway from Mountain Gate Road to Scott Creek Lane is a narrow winding roadway with limited visibility and lacks roadway shoulders causing additional safety concerns for pedestrians, bicycles, and vehicles. Because of this, the City was awarded a grant by Metro in March of 2014 to come up with a plan to address these issues. It has been a very complicated and lengthy process.  Along with the design of the roadway, retaining walls, pathways and utility undergrounding, time was required for property acquisition, tree removal and public involvement.

Fast forward to Spring of 2021 and that has all be completed, Elting Northwest, Inc. has been awarded the contract, and project construction is tentatively scheduled to begin.

CONSTRUCTION/ROAD CLOSURE SCHEDULE: June 3, 2021 through December 2021

PROJECT UPDATES

Road Closure & Detour


The proposed project will involve street widening and re-striping to allow for the creation of bike lanes on both sides of 129th Avenue. A retaining wall of varying height up to 10 feet will be constructed behind the proposed sidewalk as an added safety measure.  Additionally, a pedestrian crossing signal will be installed at the intersection of 129th Avenue and Scott Creek Lane.

More specifically, this project will consist of the following improvements:

  • Shared use path on the east side of the roadway for bike and pedestrians
  • New southbound bike lane
  • Retaining walls and fencing
  • New asphalt pavement overlay
  • Undergrounding of overhead utility lines
  • Installation of additional streetlights along the roadway
  • Stormwater system improvements including water quality treatment of surface runoff with green street planters
  • Pedestrian crossing using a rectangular rapid flashing beacon (RFFB) at Scott Creek Lane
  • Bike lane and crosswalk striping and symbolization

Although there are a lot of us who don’t like to see trees cut down, it is important to note that the City has a robust tree replacement requirement and tree permits are required for any type of tree removal. As a recognized Tree City USA, Happy Valley is truly committed to ensuring the City’s tree canopy remains healthy and strong. To this end, the City has worked closely with the City Arborist to ensure these removal efforts were carried out carefully and complied with the federal regulations of the Migratory Bird Treaty Act (MBTA), which requires any removal be completed prior to Mar. 1.

Roadway improvements on 129th Avenue are being funded by a grant issued by Metro. Securing these funds was a united effort made possible by not only the City, but by residents from the area, teachers, and business owners, who advocated strongly for these increased safety measures.

Question or Concerns About the Project?

Contact Sally Curran, PE
City Engineer at (503) 783-3814

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