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A lattice truss bridge is a form of truss bridge that uses many small, closely spaced diagonal elements forming a lattice. The design was patented in 1820 by architect Ithiel Town. Originally a means of erecting a substantial bridge from mere planks employing lower–skilled labor, rather than heavy timbers and more expensive carpenters and ...
Town's lattice truss patent drawing. On January 28, 1820, Town was granted a patent for a wooden lattice truss bridge, which became known as the Town Bridge.The design was of great importance because it could be built quickly by relatively unskilled workers from readily available material.
Lattice, or Warren quadrangular truss illustrated Runcorn Railway Bridge, a lattice truss ... A Parker truss bridge is a Pratt truss design with a polygonal upper ...
The Norwottuck Rail Trail Bridge is an eight-span steel lattice truss bridge. It crosses Elwell Island in the middle of the river, providing no access to the island in an attempt to keep the island otherwise untouched. Riding over the bridge shows eight spans, with two of them over Elwell Island. It was built by the R. F. Hawkins Ironworks ...
Lattice Truss. American architect Ithiel Town designed Town's Lattice Truss as an alternative to heavy-timber bridges. His design, patented in 1820 and 1835, uses easy-to-handle planks arranged diagonally with short spaces in between them, to form a lattice.
The bridge was built 1870 by Daniel Oatman. [ 2 ] It is a lattice truss bridge design, with additional steel I-beams which were installed in 1973 after damage caused by two overweight gravel trucks in 1971.
The West Cornwall Covered Bridge (an earlier incarnation was known as the Hart Bridge) is a wooden covered lattice truss bridge carrying the Sharon-Goshen Turnpike over the Housatonic River in the town of Cornwall, Connecticut. Records indicate that a bridge may have been in place in this location as early as 1762.
The single-span steel bridge is 35 feet (11 m) long. It has a lattice truss design, which is typified by smaller diagonal beams that form a lattice pattern; the design is also an example of a pony truss, where the trusses are above the roadbed but not connected at the top. Ornamental iron sunflowers adorn the sides of the