The Pratt Truss The Pratt truss was first developed in 1844 under ...
The Pratt truss was first developed in 1844 under patent of Thomas and . (MHT F-6-9; pin-connected through truss built 1876 by Wrought Iron Bridge. Company .
http://www.cs.umbc.edu/~stephens/NUM/PROJECTS/V-Pratt.pdf
Truss bridge - Wikipedia, the free encyclopedia
Allan Truss illustrated. Hampden Bridge showing the Allan truss design. The Allan Truss, designed by Percy Allan, is partly based on the Howe truss. The first .
http://en.wikipedia.org/wiki/Truss_bridge
History of Truss Bridges - Tennessee Department of Transportation
Palladio, the first to promote the use of wooden trusses for bridge design, . and his engineer son Thomas designed the Pratt truss, another truss from this period .
http://www.tdot.state.tn.us/bridges/historybridges.htm
Our Bridges - Ashtabula County Ohio Covered Bridge Festival
This first Pratt truss bridge in Ohio was built in 1986 in honor of Ashtabula County's 175th Anniversary. The 124-foot long bridge traverses the west branch of the .
http://www.coveredbridgefestival.org/bridges.htm