Carderock Overpass, Spanning Clara Barton Parkway at Carderock Access , Carderock, Montgomery County, MD
Spanning Clara Barton Parkway at Carderock Access, Carderock vicinity, MD
Find maps of Carderock, MD
Documentation compiled after 1968.
Survey number HAER MD-92
Building/structure dates: 1962 initial construction
Significance: Built as part of the Maryland segment of the GWMP.
Concrete Girder Bridges
Bureau Of Public Roads
Historic American Engineering Record (Library of Congress)
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