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New Hampshire

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Hancock

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Hancock-Greenfield Bridge, Spanning Contoocook River, Forest Road (formerly O, Hancock, Hillsborough County, NH



See 52 maps of this location


B&W Photos

HB786741
Note Sheathing Of Vertical Flush Douglas Fir Boards.
HB786742
Note Remnants Of Stone Abutments.
HB786743
HB786744

HB786745
HB786746
HB786747


Data Pages


Photo Caption Pages


Item Title


Location
Forest Road (formerly O, Hancock, NH

Find maps of Hancock, NH


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER NH-42
Building/structure dates: 1937 initial construction
Building/structure dates: 1981 subsequent work
Part of building/structure is in Greenfield, Hillsborough County, NH.
Significance: Hancock-Greenfield Bridge was the first permanent highway span in the northeastern United States to utilize timber connectors. It is one of seven covered bridges built with timber connectors in the United States.

Subjects
Covered Bridges
Transportation


Related Names
Pratt, Henry B.
New Hampshire Highway Department
Timber Engineering Company
Bureau Of Public Roads
New Hampshire State Highway Department
Hagan Thibodeau Construction
Bennett, Lola, Historian
Lowe, Jet, Photographer


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
SOUTHEAST BY 150 DEGREES, VIEW NORTHWEST PORTAL. NOTE SHEATHING OF VERTICAL FLUSH DOUGLAS FIR BOARDS.
OBLIQUE PERSPECTIVE, EAST BY 90 DEGREES.
EAST PORTAL, NORTHWEST BY 320 DEGREES.
PERSPECTIVE LOOKING WEST BY 279 DEGREES. NOTE REMNANTS OF STONE ABUTMENTS.
SPAN, NORTHEAST BY 60 DEGREES.
VIEW NORTHEAST BY 60 DEGREES.
INTERIOR TRUSS SYSTEM.


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