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Kinsman Road Extension

This scenic part of Wilsonville is home to varied wildlife, but is also one of the fastest-growing parts of the Portland metro area. Kinsman Road was extended to complete a truck route to the industrial/commercial area, in addition to providing for multimodal and wildlife access.

This project enhanced the corridor through the addition of safety features, such as street lighting, bike lanes, a multiuse path, and sidewalks. Wildlife crossings at key access points along the new construction provide passage for the area’s native animals and feature prominent warning signs to caution drivers.

  • The project also included the first section of the Willamette Water Supply Program’s new water transmission line, which was installed at the same time as the roadway.
  • Nearby powerlines required coordination with Bonneville Power Administration (BPA).
  • The landscaped roundabout at the north end of the project accommodates large commercial and agricultural vehicles while also adding to the aesthetics of the area.
  • The project created a vital north-south connection route for the City while enhancing economic development opportunities.
  • Soft soils required innovative culvert foundation design.
  • Existing underground utilities were protected in place while the new subsurface and roadway was built on top.