Deep Corrugated Structural Plate – I and II


The latest innovation in Soil Steel Bridges, Deep Corrugated Structural Plate is available in spans up to 80 ft and thicknesses from 0.140 to 0.314 inches. These bridge structures are ideal for grade separations or hydraulic applications and are less expensive and faster to install in most cases. The fabricator provides field assembly drawings to guide the installer.

Two types of corrugation profiles are available:

  • Type I deep corrugated structural plate has a 15 x 5 ½ inch corrugation
  • Type II deep corrugated structural plate has a 16 x 6 inch corrugation

The plates are assembled into various shapes, including, but not limited to:

  • Round
  • Single-radius arch
  • Multiple-radius arch
  • Box culvert
  • And Special shapes


The benefits of these products are:

  • Superior strength
  • Lightweight construction
  • Easy installation
  • Versatile
  • Long service life
  • Environmentally friendly
  • Maintenance free
  • Aesthetically pleasing