Reminder: Eastbound State Route 20 Closure Scheduled Next Week

District: District 3 - Marysville
Sergio Aceves, District 3 Director
Contact: Jeremy Linder (530) 701-5209

Placer/Nevada Counties - Caltrans is reminding motorists of a scheduled closure of eastbound State Route 20 (SR 20) next week between the Omega Scenic Overlook and the Interstate 80 (I-80) junction from 6 p.m. Sunday, July 19 through 9 a.m. Thursday, July 23.

The closures are necessary for construction crews to demobilize the crane that was used during precast girder installation. The eastbound I-80 off-ramp to SR 20 will also be closed during this time.

The following detours are available for motorists:

• Motorists in the Nevada City/Grass Valley area looking to connect to I-80 will detour southbound on State Route 49 (SR 49) to connect with I-80 in Auburn or southbound on State Route 174 to connect with I-80 in Colfax. Large trucks are directed to only use SR 49.
• Eastbound I-80 motorists looking to connect to SR 20 will detour to Eagle Lakes Road and head back on westbound I-80 to reach the westbound SR 20 off-ramp.

Westbound SR 20 will remain open for travel between the I-80 junction and Nevada City. The extended lane closures will help minimize the duration of the work and improve worker safety.

Additional closures are also scheduled through October. The schedule is subject to change or be delayed due to weather, availability of materials, or other unexpected events.

Flatiron Dragados of Concord is the prime contractor. The project will replace the existing bridge and improve freight efficiency along I-80 by increasing the load-carrying capacity for extra-legal load trucks. The project will also include construction of median barriers, upgrade drainage, and installation of roadway weather information systems. Work is expected to be completed by winter 2027.

Caltrans District 3 is responsible for maintaining and operating 4,385 lane miles in 11 Sacramento Valley and Northern Sierra counties. Caltrans reminds motorists to "Be Work Zone Alert" and slow in construction zones for the safety of travelers and crews performing these improvements.

The department issues construction updates on X @CaltransDist3 and on Facebook at CaltransDistrict3. For real-time traffic, click on Caltrans' QuickMap or download the QuickMap app from the App Store or Google Play.

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