Federal Bridge Formula

What is the federal Bridge Formula?

Bridge Formula
  • Heavy trucks can cause damage to roads and bridges.
  • The Bridge formula is a mathematical formula based on the number of axles and spacing of those axles.  It is used to determine the appropriate maximum gross weight for a CMV.

Bridge Formula

Drivers need to understand the Federal Bridge Formula, which is intended to prevent heavy vehicles from concentrating too much weight on any axle.