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The design principle behind the Burr arch truss is that the arch should be capable of bearing the entire load on the bridge while the truss keeps the bridge rigid. Even though the kingpost truss alone is capable of bearing a load, this was done because it is impossible to evenly balance a dynamic load crossing the bridge between the two parts. [5]
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 crossed Steel, Roberts, and Wood Islands. Construction of the bridge was started in 1817. [2] The bridge was constructed by Theodore Burr, who had just completed work on four Susquehanna bridges in Pennsylvania. The bridge design used his Burr arch truss. "This ultimate achievement of Burr's on the Susquehanna, having in all eighteen ...
Morgan Bridge: Extant Queen post truss 1886 2004 Morgan Bridge Road Lamoille River north branch Belvidere: Lamoille: VT-34: Village Bridge: Extant Burr truss: 1833 2004 Bridge Street Mad River: Fayston: Washington
Hyde Hall Bridge is a wooden covered bridge over Shadow Brook built in 1825, on then-private property of Hyde Hall, a country mansion. Both are now included in Glimmerglass State Park . With the possible exception of the Hassenplug Bridge in Pennsylvania (also built in 1825), it is the oldest documented, existing covered bridge in the United ...
The bridge is covered by a metal roof, which extends on the east side over a walkway on the outside of the eastern truss. The bridge was built in 1833, and is at least the second-oldest covered bridge (after only the Pulp Mill Covered Bridge, which may have been built at a later date). It is also the state's longest single-span Burr truss ...
Landis Mill Covered Bridge was built in 1873 by Elias McMellen at a cost of $969. McMellen, who built many of Lancaster's covered bridges using the Burr arch truss, chose to build this short bridge using a simpler design with multiple kingpost trusses and, instead of Burr arches, pyramidal-shaped trusses to add additional support. [3]
It has a double-span, double-arch Burr arch truss construction. In 1875, the bridge was rebuilt by James C. Carpenter at a cost of $1860. [1] The bridge was later bypassed by a new concrete bridge and is now on the private property of the Mill Bridge Village Camping Resort. Owner Brian Kopan was quoted as saying "The bridge is in fine condition.