From the mouth of the Cuyahoga River to Akron there are eighty-four bridges -- over three and a half per mile. It is said that there is a greater variety of bridges here than in any other place in the world.
There are no bridges across the Amazon River. This is mainly because there is insufficient road traffic to justify the cost, and in some places bridges would seriously conflict with the ecosystems of the river. The Pan American highway runs down the west coast of South America.
There are foot, road and train bridges across the River Thames to cross it by. Also when Winter is very harsh sometimes the river freezes solid enough for persons to walk across in many places. This does not happen very often though but I remember doing this many years ago.
Yes, there are two major bridges, the Hernando Desoto and the Memphis Arkansas bridge. Both go across the Mississippi River to West Memphis Arkansas. There are also many small bridges here and there in the city.
It has the same purpose as any other bridge, to allow passage across a river or another natural obstacle such as a ravine. Bridges usually carry a road, a railway line, pedestrians or a combination of these across a river.
As far as my research shows there are 101 bridges across the thames There are over 100 bridges that cross the river Thames and they have all been listed elsewhere on this site. 27 within London and about 200 along its entire length.
Beam and suspension bridges both perform the same function, which is to provide a route by which vehicles and/or pedestrians can easily pass across a river, a gorge, or any other such obstacle to their travel.
There are 44 bridges that are now in use on the Hudson River. About 10 of these bridges are used for railroad crossings and 34 are automobile bridges. There are also 5 tunnels that traverse roadways under the Hudson River.
because the amazon river mainly runs through the amazon rainforest where there is no civilisation apart from tribes. Therefore it would not be used so it would be a waste of time and material. Hope this helps you