LEWISTON, ID – Crea Construction of Lewiston has been awarded the contract for construction of a new single lane roundabout at the intersection of Thain Road, Powers Ave, and 14th St. Ground breaking is scheduled for Monday April 3, 2017. Construction will include concrete curb, gutter and sidewalk, pedestrian ramps, storm water main and inlets, stormwater detention pond, cul–de–sac on 14th St., and both asphalt and concrete pavement. Lewiston Orchards Irrigation District (LOID) will also be working within the project area and its vicinity installing water and irrigation main.
The City of Lewiston public works department in conjunction with the Idaho Transportation Department, TD&H Engineering, Horrocks Engineers and LOID has all worked hard to put this street and public utility project together.
This project tis currently scheduled to be constructed in four phases. The first phase of construction will focus on storm water and underground work. This phase will have minimal impact on existing traffic pattern. Phase two will encompass the west side of the intersection. Traffic will be revised slightly to utilize the east side of the intersection and the west leg of Powers Ave will not be accessible from Thain Rd. Phase three will place traffic on the west side of the intersection while construction of the east side of the roundabout takes place. During this phase traffic will travel on portions of the new roadway and the east leg of Powers Ave will not be accessible from Thain Rd. Phase four will see the final construction of the center of the roundabout and splitter islands. Detours around the work areas requiring closure will be necessary at times to complete final construction activities. Closures will be allowed for the shortest durations possible to complete the work. Local access to businesses and residential properties will be provided.
When completed in fall 2017 the roundabout will improve safety, increase capacity thereby reducing congestion, and provide stormwater runoff retention for the basin. This project is a great partnership between agencies joining together to provide a needed improvement for the traveling public an efficient and least disruptive means possible.
As with all construction, unforeseen conditions could alter our well–intended notification plan and the construction schedule. If that happens, we ask for your cooperation and patience. We understand this will be an inconvenience for all of us and will do what we can to lessen the inconvenience.
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