BETHESDA, Md., Dec. 1, 2017 /PRNewswire/ — Walker & Dunlop, Inc. (NYSE: WD) (the “Company”) announced today that it structured a $15,509,300 loan for Manseau Flats, a 78-unit, Class A multifamily development located along the western bank of the Fox River in Ashwaubenon, Wisconsi…