Free-Black Bridge, Spanning Androscoggin River at Route 1, Brunswick, Cumberland County, ME
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Spanning Androscoggin River at Route 1, Brunswick, ME
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Documentation compiled after 1968.
Survey number HAER ME-67
Building/structure dates: 1909 initial construction
Part of building/structure is in Topsham, Sagadahoc County, ME.
Significance: Only identified example of an unusual double-deck railroad and suspended vehicular bridge in the state, and a fine example of a rivet-connected Baltimore thru truss design. It is one of only four 1890-1928 Baltimore truss bridges identified in a recent state bridge survey. It was built in 1909 to replace an 1880 double-deck bridge, and illustrates the evolution of the truss type into a heavily-built structure capable of supporting increased locomotive weights. It carries a minor branch of the Maine Central, today used for local traffic, and is an alternate route to a larger road bridge downstream for road travel between Brunswick and Topsham.
Pennsylvania Bridge Company
Farnham, Katherine Larson, Historian
Historic American Engineering Record (Library of Congress)
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