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Design Your Own Big R Modular Bridge

Welcome to the Big R Modular Bridge Designer!


Supported Browsers Include:

Google Chrome, Microsoft Edge, Safari, Mozilla Firefox

Contech's Design Your Own Big R Modular Bridge Tool provides engineers unparalleled flexibility in the layout and configuration of standard, modular versions of our popular Big R Steel Rolled Girder Bridges. Our latest release includes options previously unavailable in a free, web-based design tool:

  • A 2D/3D design environment with high resolution graphics including BIM model output
  • The ability to import a PDF site plan and design a system to scale over the plan 
  • Provides instant access to customized, project specific drawings 
  • Optimizes design and layout for cost efficiency 
  • Design multiple bridges per project and save for future use 
  • Digital collaboration using the new “Project Collaboration” feature.  Share your project easily with anyone through our new project management page.