Click a grid point to place a node. Drag from one point to another to add a beam — connect the left pin support to the right roller support, then run a load test.
🌉 2D Bridge Builder
Load test
Material
Structural steel
Build
Legend
Safe (low stress)
Loaded (moderate)
Near / at failure
Unstressed / no beam
Pin support (left, fixed) and roller support (right, vertical only) are placed automatically. Every other node and beam is yours to design.