Arlington Memorial Bridge will be closed on September 16, 2012 from 6 a.m. to 11 a.m. for the Air Force Navy Half Marathon. Drivers will not be able to cross Memorial Bridge from Washington, D.C. to Arlington. Memorial Circle will remain open. Arlington National Cemetery is still accessible from Rt. 110, Rt. 27, and G.W.M. Parkway. Traffic on Memorial Circle will not be able to turn onto the bridge.