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Design Made Easy.

Accelerate your design project process by instantly creating project-specific recommendations, drawings, and CAD files for bridge, pipe and stormwater solutions using our DYOB® and DYODS® suite of tools and more.

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Design Your Own Bridge Tools (DYOB®)

Contech’s DYOB is our exclusive online design tool to help you design your own bridge. Use this tool to create a drawing of your aluminum box culvert, plate, precast or truss structure.

A CON/SPAN precast modular bridge over a stream.
DYOB® | PRECAST
An aluminum box culvert.
DYOB® | PLATE
A Big R vehicular truss bridge.
DYOB® | GIRDER
A Steadfast vehicular truss bridge.
DYOB® | TRUSS

Stormwater Design Tools

Stormwater Detention Design Tool
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Hydrodynamic Separator <br> Selection & Sizing Tool
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Pipe Design Tools

Reline Design Tool
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Hard Armor Design Tools

Hard Armor Design Tool
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