St. Anthony, Idaho
St. Anthony is a city in and the county seat of Fremont County, Idaho, Fremont County, Idaho, United States. The population was 3,542 at the 2010 United States Census, 2010 census, up from 3,342 in 2000.National Register of Historic Places in 1997.
It is a
Pegram truss
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 ...
through truss
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 ...
railroad bridge designed by
George H. Pegram
George Herndon Pegram (1855–1937), most commonly known as George H. Pegram, was an engineer who patented the Pegram truss.
Biography
George H. Pegram was born in Council Bluffs, Iowa, on December 29, 1855. He completed a civil engineering de ...
Pegram truss
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 ...
through spans, each long and wide. The total length of the bridge, including across concrete abutments, is about .
It was fabricated in 1896 by the Pencoyd Iron Works in Philadelphia, Pennsylvania and was originally used to span either the Weiser River near Weiser, Idaho or the Payette River near Payette, Idaho. It was moved to its current location in 1914 during construction of the West Belt Branch of the Oregon Short Line.
It is located about southwest of St. Anthony, Idaho.