If you are driving on the 99 looking to head east on Highway 58, the on-ramps for both north and south headed onto the 58 will be closed overnight tonight.

Crews are switching traffic lanes onto the new connector ramp bridge. In addition, H Street and Real Road on and off ramps for the 58 will be closed as well.

These will be in effect from 9 p.m. through 5 a.m.