Hanson Pipe & Precast

Precast Modular Bridges


Hanson's Precast Modular Bridge Units consist of precast pier or pile caps, deck panels and parapet rails and are adaptable to timber, steel or concrete pile substructures.

They offer these benefits:

  • Can be installed by small crews
  • Superior durability over timber/steel and other bridge construction methods
  • No paving required over deck units
  • Short construction times
  • Designs that stand up to HS20 loading


Use these bridge units for:

  • Vehicular bridges
  • Pedestrian bridges
  • Utility line support
  • Temporary bridges
  • Docks


Precast Bridge Units are available in spans of 15, 19, 25, 31 and 40 feet and 3-foot-to-6-foot widths, allowing for unlimited lengths, widths, skews and styles.

Applicable Specifications

  • AASHTO H15 or HS20 loading
  • Various state DOTs
  • ACI 318

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