At the direction of the 2019 Oregon Legislature, ODOT conducted a study to determine the best approach for addressing congestion, safety and the seismic resiliency of Interstate 5 in the vicinity of the Boone Bridge. This study includes some alternatives analysis to resolve the question of structural retrofit versus structure replacement and identifies necessary next steps, an estimated cost range and potential delivery schedule. The study focuses on I-5 between the Wilsonville Road and OR 551 interchanges, including the Boone Bridge crossing of the Willamette River south of Portland and north of Salem within Clackamas County.
Technical Report and Supporting Documents
Study findings are summarized in the
submitted to the Oregon Legislature in January 2021.
Project Area Map
Elements of this project were identified in the 2018 I-5 Wilsonville Facility Plan, which was a partnership between ODOT and the City of Wilsonville to identify and evaluate options for improving traffic flow and reducing congestion around the Boone Bridge.
I-5 at the Boone Bridge in Wilsonville area.
Cost and Funding
study was funded with $300,000 in federal funds.
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