A bridge can be man made or natural. Anatural bridge can be a tree, made of stone, or any natural material and isn't man made.
Yes, if you think about it, everything is man made. Man made the machines that build everything. So really everything is man made.
BOTH it is not natural, and made by humans. - man made it is an engineering structure as well!
A bridge
the Brooklyn bridge was made of a suspension Bridge.
A bridge is a man-made non-building structure providing access for vehicles or pedestrians over some barrier such as a river or the like.
A bridge is a frame structure because it is made out of parts that are fastened together
Yes, it is like a bridge, but it is generally a natural formation. A causeway is a raised roadway or roadbed or natural bridge, usually over a body of water. A "bridge", in the majority of cases implies a man-made structure.
A structure made by a man
They support their on weight.
Yes
There is no way of knowing the name of the first bridge man walked across. It is likely the first bridges were simply naturally created crossing points, such as a log across a stream, and man made bridges have been made since before written records. This means that if people did give the structure a name it would not be recorded.
either different materials or a stronger base/structure
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