to get to the other side
It is unknown who invented the first bridge. The Arkadiko Bridge located in Greece is one of the oldest arch bridges in the world.
The first bridges were made by nature. It would usually be a fallen tree or log.
Boats.
simeon s. post
suspension bridges
The exact year the truss bridge was invented is not known. Early forms of truss bridges were seen as earl as 1820 and iron truss bridges did not appear until 1850.
John Roebling. He first twisted together the strands of steel to use in the building of the Brooklyn Bridge.
We can reasonably infer that the first bridges were logs, thrown across narrow streams.
Mesopotamians invented the wheel chariot and mesopotamian women invented lipstick. The arch and the collumn were both developed in Mesopotamia, and are still used today in modern buildings and bridges.
The first bridges are likely to have been fallen trees or logs placed across streams.
Ruby bridges was the first african american to enter an all white school
simeon s. post made the truss bridge, but never received a patent