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Project Title & Location
US12/McNary Pool to Attalia - Add Lanes
Tri-Cities (Phase 1)
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Project Description
McNary Pool to Attalia is the first phase of five phases to reconstruct US 12 as a four lane divided highway from SR 124 to the Walla Walla River, and plan for the future four-laning from the Wallula Junction to Walla Walla.
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Contractor/Consultant
Steelman-Duff, Inc - Clarkston
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Recent Progress
Recent activities include the demolition and removal of the existing bridge structure, completion of drilled shafts on Stage 2 of the new bridge, and construction of concrete pier caps and abutments. Environmental activities include the completion of planting at both North and South Casey Ponds and the Two Rivers Mitigation Site. Placement of Right of Way fencing is nearing completion.
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Design Construction Impacts
On April 20, 2004, the Washington State Department of Fish and Wildlife issued an amended Hydraulic Project Approval (HPA), advancing the in-water work period to June 15 from July 15, 2004. The amended HPA permit will advance the project completion date by one month.
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Environmental Impacts / Compliance
The Federal Highway Administration performed a construction review on May 18, 2004, finding construction activities in compliance with the HPA permit.
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Impacts to Traffic
Construction activities during this quarter were located off the roadway. With the exception of a limited number of lane closures to allow access for construction vehicles, traffic impacts remain minimal.
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