This is a viaduct. noun, a long bridge-like structure carrying a road or railway across a valley or other low ground.
a bridge that carries water
It's called an "overpass".
Viaduct
A tibutary
Mahanadi Bridge
tasmania bridge
The original name of the Brooklyn bridge was The Great East River Suspension Bridge.
It does not cross over a river, it crosses a streach of water called San Francisco Bay.
Hudson River
London Bridge
London Bridge spans the River Thames
lasedgr
Because the original bridge was the ONLY bridge in London at that time.
Were ia it
There are over 200 bridges and tunnels to cross the river Thames. Tower Bridge, London Bridge and Westminster Bridge are probably the best known.