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Project Title & Location
SR 522/UW Bothell/Cascadia CC Campus Access – Bothell
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Project Description
This project will construct a new south access to the UW Bothell/Cascadia Community College Campus from I-405 and SR 522. The south access is planned to accommodate 80% of all campus traffic. By local ordinance, the campus cannot grow beyond 3,000 students without the south access. The state expects the co-located campus to grow to hold 10,000 students after the south access is constructed.
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Contractor/Consultant
A contractor will be selected in Winter 2007.
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Recent Progress
Design Documentation Package, Deviations and Channelization Plans have been approved. The wall fascia treatment and details were changed and have been approved by the Campuses and the City of Bothell. Stormwater Report is being reviewed for approval in Headquarters. Project PS&E was submitted for Proof-Copy review on November 17th. The pending project Ad date is December 26th, 2006.
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Design Construction Impacts
-The design requires the construction of a new bridge, widening of an existing bridge and construction of an 85 foot tall retaining wall adjacent to the new campus entrance road. This project will also require closure of the bike/ pedestrian path under existing I-405 SB to WB SR-522 ramp for the widening of this bridge, along North Creek. A detour route has been selected and submitted for approval.
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Environmental Impacts / Compliance
-The project wetland impacts are approximately 0.42 acres. Wetland mitigation is planned to be from the existing North Creek Floodplain/wetland mitigation site previously constructed by the college.
-Water quality facilities are planned to be located within the existing right of way. Detention is not required for the Sammamish River. A detention vault is being provided for the North Creek basin.
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Impacts to Traffic
Construction of the project will require closures of the I-405 ramps and single lane closures on SR 522 during the off peak hours to provide a safe work zone to construct the new alignment for SR 522. North Creek Trail will be closed for a maximum period of 90 days.
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Milestones |
Scheduled |
Attained |
Milestone Outlook |
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Preliminary Engineering
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May 2005
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Environmental Document
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March 2006
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City of Bothell Shoreline Substantial Development Permit is expected to be received by December 2006. A NEPA re-evalaution is being submitted to FHWA and will also address the 4.f impacts due to North Creek trail closure. We are still awaiting the approval of NPDES by DOE, pending finalizing the Stormwater Report. CORP and HPA permits will also need to be updated due to additional sensitive area impacts.
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Right of Way Certification
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December 2006
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Nov. 2006
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ROW certification is expected to be completed by December 1, 2006. The colleges are funding Right of Way acquisition.
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Advertisement
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December 2006
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The Ad date has been delayed to January 2, 2007, pending approval of the NEPA re-evaluation document by FHWA and the 4.f impacts to North Creek trail during construction.
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Open to Traffic
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Summer 2009
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South Campus Way will be open to traffic September 1, 2009.
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