Cardboard Bridge Span Model Planner

Lay out bridge-deck, supports and brace pieces

About this interactive tool

Designed for Cardboard Bridge Models, this workspace helps you work through a specific task using your own measurements and observations.

What you can make: Parts list; assembly geometry (not structural advice)

Suggested measurements or materials: Span length; bridge type; sheet size

No registration, paid API, or server upload is required. Measurements, labels and notes are entered by you. Use your own judgment to check the results before applying them in real life.

Interactive workspace

Your result

Your work is stored only in this browser where supported. Clearing browser data removes saved work. Export a copy if you want to keep it.

Related forum areas

These forum subjects are relevant to this tool. Visit the community to browse discussions or ask a question.

Cardboard Bridge Span Ratios Bridge Arch Cutting Templates Mini Bridge Site Layouts

This is a user-operated planning and record-keeping aid, not a measurement instrument or professional safety assessment. Results depend on the data you enter.