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The Pratt truss form, invented in 1844 by Thomas and Caleb Pratt, is the most common truss form in California and the United States. This form first appeared as a "combination truss" built in wood and iron with wooden vertical members, chords, and endposts, and iron tension diagonals. The basic form changed to all-metal construction by the 1880s.
Pony Pratt half-truss Garnett Creek Bridge on CA 29: 1902, 1914 2005-08-05 ... Highway Bridges of California MPS I Street Bridge: 1910, 1911 1982-04-22 Sacramento
The Dinkey Creek Bridge, also known as Fresno County Bridge No. 42C-04, [a] is a single-span, timber bowstring arch truss bridge that crosses Dinkey Creek in Fresno County, California, within Sierra National Forest. Built in 1938, it closed to automobile traffic in 1965 and was renovated in 1988 to replace rotting timbers.
Pratt truss: 1915 1985 San Felipe Road Pacheco Creek: Gilroy and Dunneville: Santa Clara and San Benito: CA-48-A: Tule River Hydroelectric Complex, Tule River Bridge Demolished Pratt truss: 1913 1985 San Joaquin Light and Power Corporation access road
The Albion River Bridge is a wooden deck truss bridge crossing the Albion River in Mendocino County, California. It is the only remaining wooden bridge on California State Route 1; [1] [2] dramatic views of the bridge are visible from the nearby town of Albion, California. [3] It was listed on the National Register of Historic Places in July 2017.
In 1820, a simple form of truss, ... California, built 1907–09. The ... the Johnson Road Covered Bridge is the last known surviving example in the state. ...
The 1962 built, World's Longest, Single Span, Wooden Covered Bridge at Bridgeport State Park, California, uses a Burr-Arch in combination with the Howe-Truss to achieve this over 210' span. The only maintenance a Howe truss requires is adjustment of the nuts on the vertical posts to equalize strain. [1]
This is a complete List of National Historic Landmarks in California.The United States National Historic Landmark (NHL) program is operated under the auspices of the National Park Service, and recognizes structures, districts, objects, and similar resources nationwide according to a list of criteria of national significance. [1]