Construction will continue on the new interchange on I-90 north of Sheridan during the winter months.

Construction will continue on the new interchange on I-90 north of Sheridan during the winter months.

The work is part of the $46.4 million North Sheridan Interchange Project, which consists of replacing the existing interchange with a new diamond interchange about a mile north on I-90.

The work will include realigning Decker Road and reconstructing North Main Street. The Wyoming Transportation Commission awarded the contract to Reiman Corp. of Cheyenne and High Country Construction Inc. of Lander, Wyo., in June.

The work will complete in four phases over the next three-and-a-half years, with a completion date of Oct. 2019.

The contractors began working on phase 1 in July. Phase 1 consists of grading operations and dirt work for the new interchange ramps and new interchange bridge.

This work has taken place in the location of the new interchange near Vacutech on both the north and south sides of the interstate. To date, the contractor has moved about 450,000 cu. yds. (344,050 cu m) of dirt to create fill for the new interchange on/off ramps and the new bridge. The contractor will continue working on the bridge structures and pedestrian underpass through the winter as weather permits.

Phase 2, which will begin in the spring of 2017, consists of continuing construction of the new north interchange structure and the construction of the new on/off ramps. Work will begin on construction of the new alignments of North Main Street, Yellowtail Drive, Industrial Road and Decker Road.

This work will include underground utility work, roadway and surfacing, lighting and enhancements, pedestrian underpass, sidewalks and pathways. Wyoming Department of Transportation officials and the contractor plan to hold a public meeting in the spring, outlining what motorists and pedestrians can expect during the 2017 construction season.

Two-way traffic will be maintained with pilot car/flagging operations and all business access will remain open, but there will be delays. Phase 2 is expected to be complete in the fall of 2017.

Phase 3 will begin in 2018 and will consist of reconstructing north Main Street from Fort Road to Goose Creek. This will include underground utility work, roadway surfacing, side-street and business access tie-ins and improvements, lighting and enhancements, pedestrian sidewalks and pathways.

Two-way traffic will be maintained with residential and business access open at all times. Other work in phase 3 will consist of isolated reconstruction/widening and new surfacing to the west bound lanes of I-90.

Phase 4 will begin in 2019 and will consist of isolated reconstruction/ widening and new surfacing to the east bound lanes of I-90. The contractor also will complete all enhancements, clean up and reclamation work associated with the project.

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