A weighbridge at a gravel pit. The weighbridge is the two part platform over which trucks are driven. The upper works is auxiliary equipment for leveling the load in the truck and is not part of the scale. This scale uses electronic measuring equipment

A Truck scale (US), weighbridge (non-US) or railroad scale is a large set of scales, usually mounted permanently on a concrete foundation, that is used to weigh entire rail or road vehicles and their contents. By weighing the vehicle both empty and when loaded, the load carried by the vehicle can be calculated.

 

The key component that uses a weighbridge in order to make the weigh measurement is load cells.