 union bridge is a town in carroll county, maryland, united states. the population was 975 at the 2010 census. much of the town was added to the national register of historic places as the union bridge historic district in 1994. ==geography== union bridge is located at  (39.568550, -77.177618). according to the [[united states census bureau]
Towns_in_Carroll_County,_Maryland Towns_in_Maryland Union_Bridge,_Maryland