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A lattice truss bridge is a form of truss bridge that uses many small, closely spaced diagonal elements forming a lattice. The design was patented in 1820 by architect Ithiel Town .
A covered bridge is a timber-truss bridge with a roof, decking, and siding, which in most covered bridges create an almost complete enclosure. [1]
The design principle behind the Burr arch truss is that the arch should be capable of bearing the entire load on the bridge while the truss keeps the bridge rigid. Even though the kingpost truss alone is capable of bearing a load, this was done because it is impossible to evenly balance a dynamic load crossing the bridge between the two parts. [5]
The Brown truss enjoyed a brief period of favor in the 1860s, and is known to have been used in four covered bridges in Michigan, the Ada Covered Bridge, the Fallasburg Bridge, Whites Bridge and one other. The design did not appear to gain wide acceptance as modern bridges tend to be Howe, Pratt, bowstring or Warren trusses.
The Kapellbrücke (literally, Chapel Bridge) is a covered wooden footbridge spanning the river Reuss diagonally in the city of Lucerne in central Switzerland.Named after the nearby St. Peter's Chapel, [1] the bridge is unique in containing a number of interior paintings dating back to the 17th century, although many of them were destroyed along with a larger part of the centuries-old bridge in ...
Media related to Thomas Mill Covered Bridge at Wikimedia Commons; Historic American Buildings Survey (HABS) No. PA-19, "Covered Bridge, Thomas Mill Road (Spanning Wissahickon Creek), Philadelphia, Philadelphia County, PA", 2 photos, 1 color transparency, 2 measured drawings, 2 photo caption pages
Covered bridges made with stringers instead of traditional style trusses are considered non-authentic, although in some terms, a stringer construction is also a type of truss. Examples of truss construction on covered bridges include Howe, Town Lattice , Queen-post , King-post , Haupt, Burr , Brown and Pratt.
The Medora Covered Bridge was the longest covered bridge in the United states with the entire original historic truss still in place with some repairs but no structural changes. [ 1 ] [ 2 ] Measuring the clear span (abutment face to abutment face) of 431 feet 10 inches (131.62 m), [ 3 ] the Medora Covered Bridge is the longest historic covered ...