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Built in 1929, it is one of only five Pennsylvania trusses in the state, and was the longest bridge built in the state's bridge-building program that followed massive flooding in 1927. The bridge was listed on the National Register of Historic Places in 1990. [1]
The software includes full support for British, European and South African design codes, with some modules also supporting North American, Australian, New Zealand, Russian and selected Asian design codes. [6] PROKON appears on the Hong Kong Building Department list of pre-accepted computer programs for use in Hong Kong. [7]
For more truss types, see truss types used in bridges. A large timber Howe truss in a commercial building. There are two basic types of truss: The pitched truss, or common truss, is characterized by its triangular shape. It is most often used for roof construction. Some common trusses are named according to their "web configuration".
A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units.The connected elements, typically straight, may be stressed from tension, compression, or sometimes both in response to dynamic loads.
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 Waddell "A" Truss Bridge is standardized truss bridge design that was first patented in 1893 by prolific civil engineer John Alexander Low Waddell. The design provided a simple low-cost, high-strength solution for use by railroads across the United States and Empire of Japan for short spans of around 100 ft (30.5 m).