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New Hampshire

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Franklin

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Sulphite Railroad Bridge, Former Boston & Maine Railroad (originally Tilton , Franklin, Merrimack County, NH



B&W Photos

HB786465
HB786466
HB786467
HB786468

HB786469
HB786470
HB786471
HB786472

HB786473
HB786474
HB786475


Data Pages


Drawings


Photo Caption Pages


Item Title


Location
Former Boston & Maine Railroad (originally Tilton, Franklin, NH

Find maps of Franklin, NH


Created/Published
Documentation compiled after 1968.

Notes
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.

Subjects
Railroad Bridges
Covered Bridges
Transportation


Related Names
Boston & Maine Railroad
Tilton & Franklin Railroad
Concord & Montreal
Pratt, Thomas
Pratt, Caleb


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
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
PERSPECTIVE EAST
LOWER CHORD DETAIL FROM WEST ABUTMENT
ABUTMENT, NORTH NORTHEAST
BURNED OUT INTERIOR, LOOKING SOUTHEAST
STRUCTURAL DETAIL
STRUCTURAL DETAIL WEST END, NOTE VARYING SIZES OF TENSION MEMBERS
LOWER CHORD TENSION MEMBERS
STRUCTURAL DETAIL
DECK, NORTHWEST BY 305 DEGREES


Back to Franklin, New Hampshire