The County Farm Bridge is a historic stone
arch bridge
An arch bridge is a bridge with abutments at each end shaped as a curved arch. Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side. A viaduct ...
in
Wilton, New Hampshire
Wilton is a town in Hillsborough County, New Hampshire, United States. The population was 3,896 at the 2020 census. Like many small New England towns, it grew up around water-powered textile mills, but is now a rural bedroom community with some m ...
. Built in 1885, it carries Old County Farm over Whiting Brook, just south of its northern junction with Burton Highway in a rural section of northwestern Wilton. It is an unusually late and well-preserved example of a 19th-century stone arch bridge, and was listed on the
National Register of Historic Places
The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...
in 1981.
Description and history
Old County Farm Road was the main access road to the
Hillsborough County Poor Farm
A poorhouse or workhouse is a government-run (usually by a county or municipality) facility to support and provide housing for the dependent or needy.
Workhouses
In England, Wales and Ireland (but not in Scotland), ‘workhouse’ has been the ...
, and is now an unmaintained class 6 road. The bridge consists of a single stone arch with a span just under . It is lined with cut granite
voussoir
A voussoir () is a wedge-shaped element, typically a stone, which is used in building an arch or vault.
Although each unit in an arch or vault is a voussoir, two units are of distinct functional importance: the keystone and the springer. The ...
s thick. The arch begins on land above the water, and the arch rises to a height of above the typical water level. The arch is embedded in a
causeway
A causeway is a track, road or railway on the upper point of an embankment across "a low, or wet place, or piece of water". It can be constructed of earth, masonry, wood, or concrete. One of the earliest known wooden causeways is the Sweet Tra ...
which is long and has a base width of .
The bridge was built in 1885 for the town by the Ward brothers of
Lowell, Massachusetts
Lowell () is a city in Massachusetts, in the United States. Alongside Cambridge, It is one of two traditional seats of Middlesex County. With an estimated population of 115,554 in 2020, it was the fifth most populous city in Massachusetts as of ...
, at a cost of $3,000. The Wards were well known for work they did on railroad bridges, which often employed stone arches. Stone for the bridge was quarried in Wilton, from a quarry that also supplied granite for public works projects in the town center. The bridge has been little altered since its construction: the arch was originally dry laid, but a number of joints in the barrel of the arch have subsequently been mortared with concrete.
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See also
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References
External links
{{NRHP in Hillsborough County, New Hampshire
Road bridges on the National Register of Historic Places in New Hampshire
Bridges completed in 1885
Bridges in Hillsborough County, New Hampshire
Wilton, New Hampshire
National Register of Historic Places in Hillsborough County, New Hampshire
Stone arch bridges in the United States
1885 establishments in New Hampshire