The tidal part of the Thames starts at Teddington in Middlesex, UK. There are 29 bridges that cross over the tidal part of the Thames.
75 non tidal and 29 over the tidal part of the Thames
The tidal section is from the sea to about 90 kms upstream to Teddington
The tidal section is from the sea to about 90 kms upstream to Teddington
There are 75 over the non tidal Thames and 29 cross the tidal Thames
A place called Thames Head in Gloucestershire
because its tidal
The river Thames is tidal as far upstream as Teddington Lock which is in a suburb of West London.
The tidal flow is 3-4 knots.
There are 130 -200 bridges over the Thames. Possibly the most famous is the Tower Bridge near the centre of London.
The tidal part of the river is controlled by the Thames Barrier. The rest of the river is controlled by a series of locks and weirs.
Teddington Lock at Staines, to the West and upstream from London.
68 miles, as far as Teddington