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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 purpose of the covering is to protect the wooden structural members from the weather.
A map of numbered covered bridges in New Hampshire, 1967 Stark Covered Bridge, built in 1857, over the Upper Ammonoosuc River Contoocook Railroad Bridge is the oldest covered railroad bridge of its kind in the United States Conway is home to the Saco River Bridge, built in 1890 Sign for NH Covered Bridge No. 2 (Coombs Covered Bridge) along NH Route 10
Examples of truss construction on covered bridges include Howe, Town Lattice, Queen-post, King-post, Haupt, Burr, Brown and Pratt. Of the existing historic covered bridges in Alabama, the Gilliland-Reese Covered Bridge and the Old Union Crossing Covered Bridge are classified as non-authentic based on their current construction.
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 .
Below is a list of covered bridges in Connecticut. As of 2021 [update] , there were nine authentic covered bridges in the U.S. state of Connecticut ; three of these are historic. [ 1 ] : 20 A covered bridge is considered authentic not due to its age, but by its construction.
This 86.5-foot-long (26.4 m), 18.66-foot-wide (5.69 m), Howe truss bridge was built in 1855. It was renovated by the Works Progress Administration in 1939, and by the city of Philadelphia in 2000. [2] It is the only remaining covered bridge in Philadelphia and is the only covered bridge in a major US city.
Newport Covered Bridge, also known as the Morehead Covered Bridge and County Bridge No. 67, is a historic Burr Arch Truss covered bridge located in Vermillion Township, Vermillion County, Indiana. It was built in 1885, and is a single span covered timber bridge. It measures 210 feet long and 16 feet wide. The bridge spans the Little Vermilion ...
The bridge structure is built out of a series of panels and other steel elements, joined by rivets, and its deck consists of I-beam stringers covered by a concrete base. [2] The bridge was built in 1911, its trusses built by the American Bridge Company to a design by John W. Storrs, a prolific local bridge engineer. It was originally built as a ...