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Project Title & Location
US 101/Purdy Creek Bridge -Replace Bridge ( Mason County)
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Project Description
This project replaces the US 101 Purdy Creek Bridge in the Skokomish River Valley in Mason County. The Purdy Creek Bridge site is the lowest point of US 101. The hydraulics of the Lower Skokomish River frequently results in floods, closing US 101. This new bridge will accommodate the 100-year flood as well as possible changes to the course of the Skokomish River by constructing a raised roadway near Purdy Creek with a sufficient opening for flood water to pass through.
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Recent Progress
Geotech exploration is complete and lab testing is in progress. Plans, Specifications, and Estimates are under review and nearing 60% complete. Section 106 concurrence has been received from the Department of Archeology and Historic Preservation (DAHP. NOAA and USFW concur with the Biological Assessement. The project office continues to work closely with Mason County, Skokomish Tribe, WDFW, Ecology, and the Corps of Engineers to develop a permittable design. Relocation letters have been transmitted to Mason Co. PUD#1, Hood Canal Communications, and Qwest Communications. A meeting is tentatively scheduled for mid-June to coordinate utility project and relocation requirements. An offer on the diner parcel has been accepted and acquisition is nearing completion. Negotiation for the remaining parcels will begin in July 2007.
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Environmental Impacts / Compliance
This project design is governed by local flood ordinances and state and federal policy acts. The project design office is working with local state and federal governments in order to develop the best solution for the new bridge.
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Impacts to Traffic
The replacement bridge will be built on a new alignment. This will allow traffic to use the existing bridge during construction, eliminating the need for detours and other heavy traffic impacts.
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