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William Howe was a construction contractor in Massachusetts when he patented the Howe truss design in 1840. [3] That same year, he established the Howe Bridge Works to build bridges using his design. [4] The first Howe truss ever built was a single-lane, 75-foot (23 m) long bridge in Connecticut carrying a road. [1]
That same year, the two men formed a bridge-building firm, Boody, Stone & Co., [10] which erected a large number of Howe truss bridges throughout New England. [8] Howe made additional improvements, and patented a second Howe truss design in 1846. [2] William Howe suffered a severe carriage accident and died on September 19, 1852.
The bowstring truss design fell out of favor due to a lack of durability, and gave way to the Pratt truss design, which was stronger. Again, the bridge companies marketed their designs, with the Wrought Iron Bridge Company in the lead. As the 1880s and 1890s progressed, steel began to replace wrought iron as the preferred material. Other truss ...
Town and Howe truss designs were patented by Ithiel Town in 1820 and William Howe in 1840, respectively. [2] The Buskirk Bridge a Howe truss design, and was built to replace a previous Burr arch truss. It is perhaps the earliest Howe truss bridge that survives in New York State. [4]
Truss bridge for a single-track railway, converted to pedestrian use and pipeline support. In this example the truss is a group of triangular units supporting the bridge. Typical detail of a steel truss, which is considered as a revolute joint Historical detail of a steel truss with an actual revolute joint
This may have been a factor in choosing the bridge over ferry option. The design comprised three 19-metre (63 ft) king trusses, a 31-metre (103 ft) howe truss, a 37-metre (123 ft) howe truss, and a 43-metre (140 ft) steel swing span. [7] The bridge opened to traffic in December 1909, but the official opening was March 1910. [5]