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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 ...
This new bridge type, wooden with a covered span, was developed because traditional European methods, typically stone bridges, were not appropriate for the harsh Pennsylvania winters. Many of the bridges were named for pioneer families residing near the bridges.
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 ...
The Kreidersville Covered Bridge crosses the Hokendauqua Creek. A Burr truss, wooden, covered bridge, it is 116 feet long, and is the last stop on the Lehigh Valley Covered Bridge tour through Northampton and Lehigh counties. [2] [3] The bridge was added to the National Register of Historic Places in 1980. [1]
The Knowlton Covered Bridge, near Rinard Mills, Ohio, was built around 1860. It was listed on the National Register of Historic Places in 1980. [1] It was decommissioned shortly after. Also known as the Long Covered Bridge, it is a Burr arch truss bridge. It is located north of Rinard Mills, and is in Washington Township, Monroe County, Ohio.