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Prefabricated Bridges

Quick Facts

  • Onsite construction time is greatly reduced by PBES, since components can be built offsite while earthwork and foundation construction is underway.
  • Using PBES minimizes traffic disruptions by reducing the time and space needed for construction.
  • PBES reduces costs by reducing construction time.
  • Work zone safety is increased with PBES, since it reduces the total number of workers and limits their exposure to moving traffic.
  • The PBES uses consistent materials and methods. This contributes to uniform quality in bridge components.
  • PBES improves the constructability of bridge designs by controlling the manufacturing environments. Increasingly, innovative bridge designers and builders are finding ways to prefabricate entire segments of the superstructure.
  • By minimizing the site access footprint, PBES reduces environmental impacts. This may be essential in wetlands or other environmentally sensitive locations.
  • Bridges installed using PBES with durable field connections can have a service life of 75 to 100 years.
  • PBES is effective in large and small projects. Applications range from deck replacements, superstructure and substructure elements, to total superstructure replacements to complete bridge replacements.

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Page last modified on August 14, 2013.
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000