To support the bridge or roadway.
Toll
There are no toll bridges via I-80 and I-94 (join up in Chicagoland) and there is only one measly toll that you will have to pay when I-80 joins up with I-294 TOLLWAY.
a toll-- bridges were very expensive back then, they needed money to pay for them, so they charged to cross them.
No, they don't exist.
It's not. A toll bridge can be rigid. Now if you were to ask the same and omit 'toll'..... bridges depending on type, need flexibility and elasticity for contraction and expansion during changes in ambient temperature and ground movement
A toll road (or tollway, turnpike, toll highway or an express toll route) is a privately or publicly built road for which a driver pays a toll (a fee) for use. Structures for which tolls are charged include toll bridges and toll tunnels. Non-toll roads are financed using other sources of revenue, most typically fuel tax or general tax funds. The building or facility in which a toll is collected may be called a toll booth, toll house, toll plaza, toll station, toll bar or toll gate.So a toll booth was invented in order to collect taxes to pay for the building of roads.
To gain money from people who wish to cross them.
There is no toll on the Brooklyn Bridge. The Brooklyn, Manhattan and Williamsburg Bridges are toll-free.
Toll slips to cross bridges and thru-ways.
In the overwhelming majority of cases - yes. Interstates, toll roads, some tunnels and bridges might be off-limits, so you do need to pay SOME attention to signage.
There is no toll on the Williamsburg Bridge. The Brooklyn, Manhattan, and Williamsburg Bridges are toll-free. The only crossing that connects Brooklyn to Manhattan that has a toll is the Brooklyn-Battery Tunnel.
There are a few ways to pay the toll at the Verrazano-Narrows bridge. You can use the EZ-Pass, which is a prepaid pass to get through toll roads. The amount charged is automatically deducted from your account. You can also pay at the toll both in the cash lane, or you can send in a deferred payment by mail.