59th St. between Second and Third Aves. will be closed from 7 a.m. to 5 p.m. Saturday and Sunday. Drivers should use alternate routes or follow posted detours to access the Queensboro Bridge.
On the Manhattan Bridge two lanes in each direction will be open to traffic from 12:01 a.m. to 6 a.m. Saturday.
124th St. between Eighth and Seventh Aves. will be closed Saturday from 8 a.m. to 3 p.m.