Glen Gardner Pony Pratt Truss Bridge

Glen Gardner Pony Pratt Truss Bridge
Glen Gardner Bridge in 1991
Glen Gardner Pony Pratt Truss Bridge is located in Hunterdon County, New Jersey
Glen Gardner Pony Pratt Truss Bridge
Glen Gardner Pony Pratt Truss Bridge is located in New Jersey
Glen Gardner Pony Pratt Truss Bridge
Glen Gardner Pony Pratt Truss Bridge is located in the United States
Glen Gardner Pony Pratt Truss Bridge
LocationSchool Street (Mill Street) over Spruce Run
Glen Gardner, New Jersey
Coordinates40°42′04.5″N 74°56′36.5″W / 40.701250°N 74.943472°W / 40.701250; -74.943472 (Glen Gardner Pony Pratt Truss Bridge)
Built1870 (1870)
Built byWilliam Cowin
ArchitectFrancis C. Lowthorp
Architectural stylePratt truss
NRHP reference No.77000876[1]
NJRHP No.1592[2]
Significant dates
Added to NRHPSeptember 22, 1977
Designated NJRHPAugust 5, 1976

The Glen Gardner Pony Pratt Truss Bridge is a historic pony Pratt truss bridge on School Street (formerly Mill Street) crossing the Spruce Run in Glen Gardner of Hunterdon County, New Jersey. It was designed by Francis C. Lowthorp and built in 1870 by William Cowin of Lambertville, New Jersey.[3] The bridge was added to the National Register of Historic Places on September 22, 1977 for its significance in engineering, industry and transportation. It is one of the few early examples of iron Pratt truss bridges remaining in the United States.[4] It was later documented by the Historic American Engineering Record in 1991.[5]

Description

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The Glen Gardner bridge is one of three remaining composite cast iron and wrought iron Pratt truss bridges built by Cowin in New Jersey. The others are the New Hampton Pony Pratt Truss Bridge (1868) in New Hampton and the Main Street Bridge (1870) in Clinton. The single-span bridge is 84 feet (26 m) long and 16.6 feet (5.1 m) wide.[3] It features a pedestrian walkway with a decorative cast-iron railing.[4]

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  • View looking east
    View looking east
  • View looking west
    View looking west
  • Railing detail, looking north
    Railing detail, looking north

See also

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References

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  1. ^ "National Register Information System – (#77000876)". National Register of Historic Places. National Park Service. November 2, 2013.
  2. ^ "New Jersey and National Registers of Historic Places – Hunterdon County" (PDF). New Jersey Department of Environmental Protection – Historic Preservation Office. June 23, 2021. p. 7.
  3. ^ a b "School Street over Spruce Run River, Glen Gardner Borough" (PDF). New Jersey Historic Bridge Survey: Hunterdon County. New Jersey Department of Transportation. November 12, 2012. p. 184.
  4. ^ a b Karschner, Terry (December 1975). "National Register of Historic Places Inventory/Nomination: Glen Gardner Pony Pratt Truss Bridge". National Park Service. With accompanying photo
  5. ^ "Glen Gardner Bridge, Spanning Spruce Run". Historic American Engineering Record. 1991.
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