#Commodore_John_Barry_Bridge  a cantilever bridge in Chester, Pennsylvania
  supertype:  cantilever_bridge  bridge constructed of two cantilevers that meet in the middle
  part of:  Chester  a city of southeastern Pennsylvania on the Delaware river (an industrial suburb of Philadelphia)
     part of:  Pennsylvania__Keystone_State__PA  a Mid-Atlantic state; one of the original 13 colonies
        part of:  Mid-Atlantic_states  a region of the eastern United States comprising New York and New Jersey and Pennsylvania and Delaware and Maryland
           part of:  USA__United_States_of_America__United_States__America__US__U.S.__U.S.A.  North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
              part of:  North_America  a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama
                 part of:  northern_hemisphere  the hemisphere north of the equator
                 part of:  western_hemisphere__westernhemisphere__occident__New_World  the hemisphere that includes North and South America
                 part of:  the_Americas__America  North and South America

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