Sulphite Railroad Bridge, Former Boston & Maine Railroad (originally Tilton , Franklin, Merrimack County, NH
Photo Caption Pages
Former Boston & Maine Railroad (originally Tilton, Franklin, NH
Find maps of Franklin, NH
Documentation compiled after 1968.
Survey number HAER NH-36
Unprocessed field note material exists for this structure (N981).
Building/structure dates: 1896 initial construction
Significance: The Sulphite Railroad Bridge is one of eight surviving covered wood railroad bridges, and the only surviving deck truss covered bridge in the United States.
Boston & Maine Railroad
Tilton & Franklin Railroad
Concord & Montreal
Historic American Engineering Record (Library of Congress)
SULPHITE BRIDGE FROM DOWNSTREAM, BEARING NORTHEAST 25 DEGREES. THE BRIDGE ONCE HAD VERTICAL BOARD SIDING BUT VANDALS BURNED IT OFF IN 1981
PERSPECTIVE FROM UPSTREAM
LOWER CHORD DETAIL FROM WEST ABUTMENT
ABUTMENT, NORTH NORTHEAST
BURNED OUT INTERIOR, LOOKING SOUTHEAST
STRUCTURAL DETAIL WEST END, NOTE VARYING SIZES OF TENSION MEMBERS
LOWER CHORD TENSION MEMBERS
DECK, NORTHWEST BY 305 DEGREES
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