
A new era for short-span bridges
Author: Autorod Azizinamini, PhD / September 2009 / Number of Pages: 2
How steel provides a simple and economical solution to short-span bridges as published by Dr. Atorod Azizinamini in Steel Bridge News from the National Steel Bridge Alliance
Almost 45% of the bridges in U.S. bridge inventory are less than 60 ft in length. Most are simple spans located on county roads. Many of these short-span bridges are either structurally deficient or functionally obsolete and need to be replaced. It is essential to develop alternatives that are economical, can be constructed using light construction equipment and have long service life with minimal maintenance.
A new solution, referred to as the Folded Plate Bridge System, offers an economical and exciting solution for many of the nation’s bridges with maximum span lengths up to 60 ft.
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