520 Bride will be closed from Friday February 24th at 11pm through Monday February 27th at 5am.  When crews close 520 they close both directions of the SR 520 floating bridge and highway and all ramps between Montlake Boulevard and I-405.  Crews will also close the Bellevue Way Northeast overpass from 11 p.m. Friday night through 5 p.m. Saturday while crews set girders.  When crews close the highway, SR 520 remains open between Montlake Boulevard and I-5. In Bellevue, the 108th Avenue Northeast on-ramp to eastbound SR 520 remains open and in Seattle, the Montlake Boulevard ramps from eastbound SR 520 and to westbound SR 520 remain open.  All ramps and the mainline are required to reopen by 5 a.m. Monday following weekend closures.  Please use alternative routes or delay your trip to Seattle or Eastside if possible.