Three northbound lanes of Interstate 880 near Alvarado-Niles Road in Union City will be closed late Saturday night/early Sunday morning, according to Caltrans.
The lanes will be closed so that crews can complete concrete slab repair.
The closures will begin at 12:30 a.m. Sunday. All lanes will reopen at 8:30 a.m. Sunday.
No detours are scheduled, Caltrans said.