The cash amount you will have to pay to cross the George Washington Bridge for a tractor trailer is $102. If you have an EZ Pass, it could be as less as $69, depending upon when you travel over the bridge.
A class 6 truck has to pay $48 cash price to cross the George Washington Bridge
The tractor weighs 20,000 pounds, the trailer weighs whatever it weighs, and the maximum weight of a loaded tractor trailer with one trailer is 80,000 pounds.
As far as I can understand it's $5 + $2.25 per additional axle
How much to cross the Verrazano Bridge by truck?
Around $60,000, and unless you work for a company you can't buy a separate trailer. $135,000 for a fullsize tractor, $72,000 for a reefer trailer.