A support pole
Sub Structure
They are supported by pillars are column's.
a suspension bridge
A bridge with overhead cables to support it.
The Chinese bridge is called Kangshaun great bridge
You can use so called "Bridge" which allows you to extend networks wirelessly. You have to have at least two routers better from the same manufacture with the bridge function support.
Is it the Brooklyn Bridge
London Bridge doesn't have any support cables.
A bridge pier is the structure on which the bridge rests.
The Harbour Bridge
Tower Bridge
Tower Bridge