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US 26: SE 51st to I-205 (Powell Boulevard) - Illustration of street signs at crosswalk

US 26: SE 51st to I-205 (Powell Boulevard)

Portland, Oregon

OBEC provided preliminary design engineering for this $5.5 million urban pavement preservation and pedestrian facility improvement located on a major arterial street in Portland, Oregon.

The effort also incorporated construction of compact "green street" drainage treatment facilities designed to fit this highly-developed urban area at minimal cost and impact. OBEC worked closely with multiple stakeholders, including coordinating with TriMet to resolve concerns regarding bus turnouts and in-lane bus stop locations.

While developing the Design Acceptance Package, a technical services bulletin was issued requiring all sidewalks that do not meet ADA standards to be replaced on any projects. This substantially increased the scope of the project, requiring more than 200 sidewalk ramps to be reconstructed, right-of-way retracement for 2.3 miles, and increased construction costs well beyond the prospectus estimate. The OBEC team accommodated the change in scope and accelerated delivery to meet ODOT's project goals and also came in significantly under budget.


Completed 2007

Oregon Department of Transportation

Project Management
Roadway Preservation Design
Environmental Permitting
Traffic Engineering
Public Involvement