James Warren (18061908) was a British

engineer Engineers, as practitioners of engineering, are professionals who invent, design, analyze, build and test machines, complex systems, structures, gadgets and materials to fulfill functional objectives and requirements while considering the limit ...

who, around 1848 to 1907 (along with Willoughby Monzoni), patented the Warren-style

truss bridge A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements (typically straight) may be stressed from tension, compression, or ...

and

girder A girder () is a support beam used in construction. It is the main horizontal support of a structure which supports smaller beams. Girders often have an I-beam cross section composed of two load-bearing ''flanges'' separated by a stabilizing ...

design. This bridge design is mainly constructed by equilateral triangles which can carry both tension and compression. The first suspension bridge to utilize a Warren truss in its design was the Manhattan Bridge in New York City. Handley_Page_HP42_(cropped)

The Warren Truss design was also used in early aviation when biplanes were dominant, the alternating diagonal truss being used for the

interplane strut In aeronautics, bracing comprises additional structural members which stiffen the functional airframe to give it rigidity and strength under load. Bracing may be applied both internally and externally, and may take the form of strut, which act in ...

s in aircraft such as the

Handley Page H.P.42 The Handley Page H.P.42 and H.P.45 were four-engine biplane airliners designed and manufactured by British aviation company Handley Page, based in Radlett, Hertfordshire. It held the distinction of being the largest airliner in regular use in ...

airliner and the Fiat CR.42 fighter. The

Warren truss Warren Errol Truss, (born 8 October 1948) is a former Australian politician who served as the 16th Deputy Prime Minister of Australia and Minister for Infrastructure and Regional Development in the Abbott Government and the Turnbull Governm ...

is one of the most widely used and known bridge styles worldwide.

References

1806 births 1908 deaths British bridge engineers British centenarians Men centenarians Date of birth missing Date of death missing {{UK-engineer-stub