It is a set of scales large enough to weigh a vehicle. It is set into the ground so that vehicles can drive onto it.
1,198
the queen Elizabeth's bridge weighs 2,0000 kg
550,000t metric tonnes
over 11,000 tons
it whieghs about 70,000 tons
2 pounds
Samuel lee is awesome
156 thousand tons
Wait a minute please, I gonna calculate it for you. Hmmmm, bridge, per square foot, how much does it weigh....hmmmmm... Foot2...hmmmmm Sorry, my brain fuse has blown out...
Try your local weigh bridge.
It can hold upto 60tons, depending on the quality of the product and type of steel weigh bridge you've picked.
Everything else being equal, a shorter bridge is stronger: it will weigh less, and therefore will not have to support so much of its own weight.