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Dalton Covered Bridge

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United States historic place
Dalton Covered Bridge
U.S. National Register of Historic Places
Dalton Covered Bridge is located in New HampshireDalton Covered BridgeShow map of New HampshireDalton Covered Bridge is located in the United StatesDalton Covered BridgeShow map of the United States
LocationJoppa Road
Warner, New Hampshire
Coordinates43°16′36″N 71°48′43″W / 43.27667°N 71.81194°W / 43.27667; -71.81194
Area0.1 acres (0.040 ha)
Built1853
ArchitectMultiple
Architectural stylepanel truss
NRHP reference No.76000221
Added to NRHPNovember 21, 1976

The Dalton Covered Bridge, also called the Dalton Bridge, is a historic covered bridge that carries Joppa Road over the Warner River in Warner, New Hampshire. Its name refers to a nearby resident (first "Mrs. Dalton", then "Widow Dalton") at the time of its construction. The bridge was built in 1853 by Joshua Sanborn, and its original abutments were built by George Sawyer and Webster Davis; all were local residents. The bridge has a span of 76 feet (23 m), with a total bridge length (including portals and roof) of 84 feet (26 m). The bridge is 17 feet (5.2 m) wide, with a road bed width of 14 feet (4.3 m), although guard rails have reduced its usable width to just under 13 feet (4.0 m).

The bridge uses a combination of truss types to support the load, following a patent issued in 1837 to Stephen Long, who also patented the Long truss. Its primary support mechanism is a king post truss, in which a vertical post is joined to chord members by iron bolts. This primary support is supplemented by a queen post truss system that flank the king truss walls. The trusses are mounted on abutments that are primarily fieldstone, but were capped in concrete in the 20th century. The mounting is secured by iron tension rods. The exterior walls of the bridge are vertical boarding with four windows; this finish was also rehabilitated in the 1960s. The gabled roof is made of corrugated metal.

The bridge was listed on the National Register of Historic Places in 1976.

See also

References

  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
  2. ^ "NRHP nomination for Dalton Covered Bridge". National Park Service. Retrieved 2014-10-24.

External links

Media related to Dalton Covered Bridge at Wikimedia Commons

National Register of Historic Places in Merrimack County, New Hampshire
Landmarks Merrimack County map
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See also: National Register of Historic Places listings in Merrimack County, New Hampshire and List of National Historic Landmarks in New Hampshire
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