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A Howe truss is a truss bridge consisting of chords, verticals, and diagonals whose vertical members are in tension and whose diagonal members are in compression. The Howe truss was invented by William Howe in 1840, and was widely used as a bridge in the mid to late 1800s.
The Fink truss was designed by Albert Fink of Germany in 1854. This type of bridge was popular with the Baltimore and Ohio Railroad . The Appomattox High Bridge on the Norfolk and Western Railway included 21 Fink deck truss spans from 1869 until their replacement in 1886.
Interior of a barn with a Fink truss, with the characteristic W shape. Fink design trusses are used today for pedestrian bridges and as roof trusses in building construction in an inverted (upside down) form where the lower chord is present and a central upward projecting vertical member and attached diagonals provide the bases for roofing. [9]
Fink truss: 1847 1986 Main Street French Creek: ... Howe truss: 1869 1991 Union Canal trail Plum Creek Sinking Spring: Berks PA-215: Brevard Bridge ...
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".
Fink truss bridge Blacklick Covered Bridge: 1888 destroyed by overloaded dump truck 1978-01-01 Pickerington: Fairfield: Howe truss Everett Road Covered Bridge: ca. 1873, 1877: removed 1985-10-29 Peninsula: Summit: Smith truss Germantown Covered Bridge: 1870 removed 1999-01-01 Germantown: Montgomery: Inverted bowstring bridge Loucks Covered ...
Phoenix column Pratt pony truss: Farnsworth Avenue over Robbinsville Secondary part of the Bordentown Historic District: ca. 1831: 1982-06-14 Bordentown: Burlington: Stone arch: Fink-Type Truss Bridge: 1857 1974-12-24 Allerton: Hunterdon: Fink truss, HAER NJ-18
Albert Fink (October 27, 1827 – April 3, 1897) was a German-born civil engineer who worked in the United States. He is best known for his railroad bridge designs, which helped revolutionize the use of iron for American railroad bridge construction. He devised the Fink truss and many truss bridges, especially the Fink-Type Truss Bridge.