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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 .
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: 70 feet (21 m) 1849 rebuilt 1887 ...
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 red with white trim.
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 was and is a double Burr Arch truss system. It has been swept away in flooding numerous times, most recently in 1972 after Hurricane Agnes. [5] Waters lifted the original structure off its abutments and carried it downstream. In 1973, following destruction from the hurricane, it was rebuilt at a cost of $321,302. [2]
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 red with white trim.
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.