Answer:
What is the smallest bridge in the world?
People like this usually live in rural areas, unless they are lucky enough to strike oil and move to Beverly Hills.
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
I have four legs but no tail. Usually I am heard only at night.
Long and think, red within, with a nail at the end.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.