Double Intersection Warren Truss Bridge, Spanning Blackledge River, Colchester, New London County, CT

Significance: Typical of truss bridges at river crossings c. 1907, particularly as constructed by the New York, New Haven and Hartford Railroad in its upgrading o the then 40 year old line. Unlike similar bridges, on the line, however, this one includes the remains of the earlier (c. 1870) bridge abutments. These stand inside the 1907 abutments.

Survey number: HAER CT-7

Building/structure dates: 1907 Initial Construction

Building/structure dates: ca. 1970

steel truss bridges bridge construction civil engineering railroad companies railroad bridges warren trusses masonry abutments stonework granite colchester double intersection warren truss bridge double intersection warren truss bridge blackledge blackledge river london new london county connecticut england gary r arabak boston and new york airline company historic american engineering record middletown and willimantic railroad new haven new haven and hartford railroad new york photo ultra high resolution high resolution historic american landscapes survey historic american buildings survey architecture railroad railroad architecture library of congress

1970

Library of Congress

http://www.loc.gov/

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