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Coleman Bridge (Windsor, Massachusetts)
Coleman Bridge is a historic Ball-patent pipe pony truss bridge in Windsor, Massachusetts. It is the only known surviving ''in situ'' bridge of its type in Massachusetts. It is located on an abandoned stretch of Windsor Bush Road which crosses Phelps Brook in what is now a remote upland section of Windsor. The bridge was located near farms owned by the Coleman family, giving the bridge its name. The bridge type was invented by Charles H. Ball, an entrepreneur from nearby Peru who developed the idea of using pipes as structural elements of bridges over smaller bodies of water. Only three instances are known to exist, two of which were (as of 2000) disassembled and in storage.〔(【引用サイトリンク】title=NRHP nomination for Coleman Bridge )〕
The bridge was built in 1894 on the site where there had previously been a wooden bridge, and spans . The top cords of the pony truss are pipes in diameter, with doubled iron rods functioning as the truss's bottom chord. The bridge originally had wooden stringers, which were at some point replaced by iron ones. The wooden floor of the bridge is also a replacement. The bridge is accessible on foot.〔 It was listed on the National Register of Historic Places in 2000.〔
==See also==
*National Register of Historic Places listings in Berkshire County, Massachusetts
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