The officially designated source to the river is Thames Head at Gloucestershire. The Thames River opens into the North Sea near Essex.
The rivers Cherwell, Wey and Medway are the main tributaries of the Thames.
The river Thames increases in width the further downstream you go. See related link...
Thames
the river thames flooded on 7th january 1928
There are 214 bridges, over 20 tunnels, six public ferries, and one Ford. See attached link for a list of crossings over the river Thames.
the old Thames source link: http://www.motco.com/Series75/imageone.asp?Picno=7502003 for more information.
From it's start at Eden in West Sussex, all the way through Kent to the Thames Estuary. See the Related Link for a map of the course of the Medway.
In Central London on the banks of the river Thames.
As far as my research shows there are 101 bridges across the thamesThere 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.
Check this link http://www.learnthebible.org/four-angels-in-the-euphrates.html
As the River Thames can first be identified as a discrete drainage line as early as 58 million years ago, covers such a timeline as to be outside this sites answers. I suggest you Google up ' Amazon River' for a fairly comprehensive answer - in particular Wikipedia.
London Bridge is one of the many bridges across The River Thames in London, England. It goes from The City of London on the North Bank to Southwark on the South. See the related link.