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The Burr Arch Truss—or, simply, Burr Truss or Burr Arch—is a combination of an arch and a multiple kingpost truss design. It was invented in 1804 by Theodore Burr , [ 1 ] patented on April 3, 1817, [ 2 ] and used in bridges , usually covered bridges .
Theodore Burr (August 16, 1771 – November 22, 1822) was an inventor from Torrington, Connecticut, who was credited with the Burr Arch Truss bridge design. He designed and built one of the first bridges across the Hudson River and several bridges that crossed the Susquehanna River.
The bridge has a single span, wooden, double Burr arch trusses design with the addition of steel hanger rods. The deck is made from oak planks. [1] It is painted red, the traditional color of Lancaster County covered bridges, on both the inside and outside. Both approaches to the bridge are painted in the traditional white color.
Buck Hill Covered Bridge: 38-36-15 Burr arch truss: 58 feet (18 m) 1825 rebuilt 1844 moved 1966 Unknown No (Foot traffic only if given permission by the owner) Colemanville Covered Bridge: 38-36-26 Burr arch truss: 170 feet (52 m) 1856 rebuilt 1938 1973 and 1992 James C. Carpenter: Yes (one lane) Erb's Covered Bridge: 38-36-34 Burr arch truss ...
The bridge design used his Burr arch truss. "This ultimate achievement of Burr's on the Susquehanna, having in all eighteen 200-foot trussed arch wooden spans, eight between the west shore and a first island, two between that and a second island, and eight more between that and the east shore, and a total length of 4,170 feet, was to be ...
The bridge has a two-span, wooden, double Burr arch truss design with the addition of steel hanger rods. It is the only two-span covered bridge still in use. The bridge's deck is made from oak planks. It is painted red, the traditional color of Lancaster County covered bridges on the outside, but is not painted on the inside.
The Hunsecker's Mill Covered Bridge is a covered bridge located in Lancaster County, Pennsylvania, United States. [1] The bridge has a single span, wooden, double Burr arch trusses design. The bridge, which spans the Conestoga River, is 180 feet (55 m) long, making it the longest single span covered bridge in the county. [2]
The bridge is accessible to road traffic from within the park. The bridge has a single span, wooden, double burr arch trusses design with the addition of steel hanger rods. The deck is made from oak planks. [1] It is painted red, the traditional color of Lancaster County covered bridges, on both the inside and outside. Both approaches to the ...