The Stenmark Drive on-ramp to eastbound Interstate Highway 580 in Richmond will be closed for scheduled maintenance, including cleaning and painting, during overnight hours starting Monday, according to Caltrans.
The closure will occur from Monday through Friday from 10 p.m. to 6 a.m. nightly, and also from Tuesday, Sept. 3, through Friday, Sept. 6 during the same hours. Further closures of that on-ramp are planned from 10 p.m. to 9 a.m. on Sept. 6-7, and Sept. 9 through Sept. 13, Caltrans said.
The overnight maintenance will require motorists to detour across the Richmond-San Rafael Bridge, exit at Main Street and re-enter the bridge to return in the eastbound direction.