Connecticut Avenue Bridge, Spans Rock Creek & Potomac Parkway at Connecticut Avenue, Washington, District of Columbia, DC

Significance: Designed by prominent engineer George B. Morison, Connecticut Avenue Bridge was described at the time of its construction as the largest concrete arch in the world. This seven-arch span was erected without steel reinforcement, composed entirely of monolithic concrete masonry and molded concrete block. It was an inspiration to Washington bridge designers of the twentieth century.

Unprocessed Field note material exists for this structure: N269

Survey number: HAER DC-6

Building/structure dates: 1897- 1907 Initial Construction

Building/structure dates: 1985 Subsequent Work

concrete arch bridges transportation civil engineering washington city bridge connecticut avenue bridge rock creek potomac potomac parkway connecticut avenue washington dc district of columbia air survey corporation ernest c bairstow edward p casey justine christianson cranford paving company district construction company w j douglas robert harvey historic american engineering record j l motts iron works sara amy leach bill lebovich renato lucchetti evan e miller george b morison park roads program national park service steven nose dorota pape siliwonczuk roland hinton perry virginia b price amy ross william howard taft deborah warshaw photo ultra high resolution high resolution library of congress

1969 - 1980

Library of Congress

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