from what i remember from 6th grade they didn't.
arch bridges
because they cost only $1 million each and they are able to span long distances
Cantilever bridgesCable stayed bridges
cantilever bridges cost somewhere between a couple million to about $1 billion.
Yes, it is a cantilever bridge and it is one of the finest of such cantilever bridges of the world.Please see related links for some of the Howrah bridge technical details.
It is not known. The Romans must have built thousands of bridges because the empire was massive, it covered many mountain areas and it was crossed by many rivers. The bridges were built by the Romans, not the Roman Empire.
The Romans used the arch to build large buildings and bridges.
The Forth Railway Bridge in Scotland and the Quebec Bridge in Canada are both famous examples of cantilever bridges.
bridges and cantilever and windows
suspension, beam, cantilever, arch bridges. Hope this helps
Cement was used by the Romans to build the colosseum. The Romans invented cement and the material they invented was also water proof which allowed for bridges and fountains to be built.
The Romans made extensive use of the arch to build large buildings, bridges, and water aqueducts.