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Squire Whipple Bowstring Truss

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Engineering
  • Government
  • Images
  • Modern (18th-20th Century)
  • Secondary Source
URL: 

http://www.dot.state.oh.us/oes/rehab.htm

Author: 
Ohio Environmental Services, Ohio Department of Transportation
Excerpt: 

This rare cast-and wrought iron bridge was built in 1872. The bridge was located in Coshocton County, Ohio, crossing Wills Creek on Linton Township Road 144.

It is listed on the National Register of Historic Places and is a rare example of early engineering design by one of the most famous engineers of his time, Squire Whipple. This bridge was designed and patented by him in 1841. He had designed other bridges but this was the most popular. The State of New York accepted this as their official design and it was used extensively on the Erie Canal. his design was illegally copied by many other bridge builders, depriving him of much deserved royalties. In 1847 Squire Whipple wrote his book on the design of bridges using scientific methods. This is the first time a book of this type had been written. It has been revised several times and copies can still be found in some libraries. His methods and formulas are still useful. He was considered one of the top engineers of the 19th Century and was the first honorary member of the American Society of Civil Engineers.

Annotation: 

Rare example of early engineering design by oSquire Whipple. This bridge was designed and patented by him in 1841.

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