Bridges-R-Us. Kelcie Thomas Ashley Bouffard Brad Smith. Timeline. The first bridges were made by nature. One example of a prehistoric bridge is the Bering Strait land bridge that the nomads used to cross from asia into North America. Timeline.
It was completed in 1937 and it is six lanes wide and it connects the San Francisco Peninsula to Marin County. It is one of the most popular places for suicides, with a count of an excess of 1200 suicides and averaging at least one suicide every two weeks.