Here is the link to the Cal Trans presentation from the July 12 RHFD Board Meeting. You will find information about days of closures and alternate routes.

I-80 Weekend Closures:
Eastbound (56 hours each weekend)
July 21, Friday (9:00pm) –July 24, Monday (5:00am)
August 4, Friday (9:00pm) –August 7, Monday (5:00am)
August 18, Friday (9:00pm) –August 21, Monday (5:00am)
Westbound (104 hours) –Labor Day Weekend
August 31, Thursday (9:00pm) –September 5, Tuesday (5:00am)