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Eastbound Highway 20 to Close Monday Night

Bridge deck pour will divert traffic through Tuesday afternoon.

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1 min read

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Workers stand on a grid of reinforcing steel for a new bridge deck beside traffic on an Interstate 80 bridge in a forested mountain corridor.

Reinforcing steel covers the new Interstate 80 bridge deck above Highway 20 in a photograph released November 9.

Caltrans District 3

NEVADA COUNTY – Caltrans District 3 plans to close eastbound Highway 20 between the Omega Scenic Overlook and Interstate 80 from 8 PM Monday, November 16, until 5 PM Tuesday, November 17.

Crews will pour the concrete deck of the new westbound Interstate 80 bridge above Highway 20 as part of the Yuba Pass Separation Overhead Bridge Project. Westbound Highway 20 will remain open between Interstate 80 and Nevada City.

Drivers heading toward eastbound Interstate 80 from Nevada City or Grass Valley can take Highway 49 south to connect in Auburn, or Highway 174 to connect in Colfax. The Highway 174 detour is for passenger vehicles only; large trucks must use Highway 49.

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Caltrans map marks the eastbound Highway 20 closure in red, the passenger-vehicle Highway 174 detour through Colfax in purple, and the all-vehicle Highway 49 detour toward Auburn in green, connecting to eastbound Interstate 80.

Red marks the eastbound Highway 20 closure. Green shows the all-vehicle detour via Highway 49 and Interstate 80; purple marks the Highway 174 alternative for passenger vehicles only.

Caltrans District 3

The eastbound Interstate 80 off-ramp to westbound Highway 20 will also close during the same period. Drivers seeking Highway 20 can continue east to Eagle Lakes Road, then return on westbound Interstate 80 to the Highway 20 off-ramp.

Weather, materials availability, or other conditions could change the work schedule. Drivers can check Caltrans QuickMap for current closures and traffic before leaving.