MISSISSIPPI GATE CLOSURE Published Nov. 2, 2010 By Master Sgt. J. LaVoie 460 Space Wing Public Affairs 11/02/2010 -- The Mississippi Gate is scheduled to close from Nov 11 at 5 p.m. until Nov 15 at 5 a.m. to complete all major construction work. At this time the new gate, with a new traffic pattern will be open. Bicyclist are still asked to avoid the gate until Dec 1, when all construction work will be complete.