Lane closures between Carson City, Spooner Summit starting Thursday

After years of construction, the 580 bypass is nearing completion.

After years of construction, the 580 bypass is nearing completion.

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Single lane closures will be in place on U.S. 50 in areas between Carson City and Spooner Summit beginning Thursday as the Nevada Department of Transportation enhances storm drainage to help preserve water quality and reduce erosion.

Beginning Thursday, drivers will see 24-hour single lane closures from 8 p.m. Sundays through 6 p.m. Fridays on both directions of U.S. 50 from Tahoe Golf Club Drive to the Spooner Summit area. Travel delays of up to 30 minutes should be anticipated, with most delays averaging under 10 minutes.

Motorists are asked to obey traffic controls and drive at posted construction speed limits, or slower as necessary for conditions. Drivers should also anticipate and share the road with bicyclists in designated travel lanes. The two-year road improvement project is projected to be completed in fall 2020, with construction anticipated to stop during the winter.

The project will replace and line existing aging culverts, replace drop inlets, and install new storm drain systems to help improve roadway safety against flooding and reduce erosion in downstream drainages. The project will also add enhanced water quality treatments for roadway drainage before entering Clear Creek.

Additionally, sections of existing guardrail will also be replaced with concrete barrier rail to improve highway safety and reduce maintenance costs. Most of the drainage systems were originally constructed when the highway was built more than 50 years ago. The drainage systems carry storm water into the Clear Creek Watershed on the south side of U.S. 50.

The approximately $8 million project by contractor Granite Construction Co., is one part of the Clear Creek Erosion Control Program, a cooperative agreement between NDOT and the Carson Valley Conservation District to reduce erosion and preserve water quality in the upper Clear Creek Watershed. Most recently, NDOT enhanced drainage and erosion controls on U.S. 50 from the South Carson Street/Spooner Junction to Tahoe Golf Club Drive.


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