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Prefabricated Bridges

Portable Detour Bridges

Big R Portable Detour Bridge section being installed
Big R Portable Detour Bridge section being installed.

Heavy-duty, easy to install and relocate.

Big R’s Portable Detour Bridges are ideal for construction detours and other temporary or permanent applications. Unlike panel bridges that require many parts and are labour-intensive to erect, Big R Portable Detour Bridges are delivered in separate modules, allowing them to be placed quickly, often with existing equipment such as excavators or loaders.

Foundation options range from piling to timber to concrete. A variety of loadings from HS-20 to off-highway construction vehicle can be accommodated. Our Portable Detour Bridges are sold in both single and multi-lane widths. Additionally, these bridges can be used temporarily and later installed as a permanent structure.

Standard Features

  • Heavy-duty loading
  • Galvanized steel deck
  • Lengths from 20' to 80' and 14' width
  • Weathering steel structural
  • Bearing plates and pads
  • Curb system
  • Timber running plank

Optional Features

  • Special paint for coastal or tropical areas
  • Galvanized steel back walls
  • Precast concrete sills
  • Bridge rail system
  • Any width (two or more sections)
  • Clear spans up to 150'

Installation is often complete hours after the bridge arrives at the job site.

A variety of loadings from HS-20 to off-highway trucks can be accommodated. Our Portable Steel Bridges are available in both single and multiple lane widths.

Single lane typical Section

Portable-diagram1

Multiple Lane Typical Section

Portable-diagram2

Big R Portable Bridges are heavy-duty, easy to install and relocate.


Big R Bridge Portable Bridges

Big R Bridge Portable Bridges
Big R Bridge Portable Bridges Big R Bridge Portable Bridges
Big R Bridge Portable Bridges Big R Bridge Portable Bridges
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