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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 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.
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 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.
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.
Plank framed truss was the name for roof trusses made with planks rather than timber roof trusses. In the 20th century, it was typical for carpenters to make their own trusses by nailing planks together with wood plates at the joints. Today similar trusses are manufactured to engineering standards and use truss connector plates.
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]
A truss arch bridge combines the elements of the truss bridge and the arch bridge. The actual resolution of forces will depend upon the bridge' design . [ 1 ] If no horizontal thrusting forces are generated, this becomes an arch-shaped truss which is essentially a bent beam – see moon bridge for an example.