INTRODUCTION TO BRIDGE TYPE STRUCTURES

Bridges are needed for a variety of reasons. Generally, they ‘bridge’ a gap between the banks of a river or they span the distance between two sides of a valley. They are made from materials including stone and steel. Bridges can carry people, cars, lorries, railways and even rivers.

ACTIVITY

Look up the following words in a dictionary or encyclopaedia or on the Internet and explain them:

BRIDGE

VIADUCT

CAUSEWAY