Bridges

Truss bridges, above & below.

General Hertzog Bridge, Aliwal North, South Africa.

A beam bridge, below, is not very strong.

A pedestrian beam bridge, below. The triangular structures support the fence & railing, not the bridge itself.

A simple suspension bridge, below, designed for light loads - people.

This one is for vehicular traffic.

One of the largest suspension bridges in the world. This is Akashi-Kaikyo Bridgein Japan.

Driving on a suspension bridge.

A beautiful arch bridge, below, in Japan. The arch shape provides support. Think of an igloo.

Arch bridge in China.

A Roman-built aqueduct.