CIV Engineering: Culverts

Professional culvert design workflow & analysis tools

FHWA HDS-5 compliant hydraulic analysis for infrastructure design

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Beta Ongoing validation testing with FHWA HDS-5. Not for production use.
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I

Design Workflow

Size a culvert, analyze hydraulic performance, and generate an engineering report

  • Size culvert to meet flow & headwater criteria
  • Analyze performance curves
  • Water surface profiles & flow regime analysis
  • Generate detailed engineering reports (PDF)
II

Multi-Scenario Analysis

Compare different inlet types or analyze multiple design scenarios side-by-side

  • Inlet type performance comparison
  • Multiple scenario batch analysis
  • Side-by-side results tables
  • Optimize design decisions
III

Calculation Explorer

Step-by-step breakdown of FHWA HDS-5 methodology with interactive real-time calculations

  • Interactive real-time calculations
  • Step-by-step FHWA methodology
  • Reference tables & coefficients
  • Validate design calculations