What are the bridges made of?

Answer 1

Usually bridges are made of steel and/or concrete. Concrete bridges have steel reinforcement embedded within the concrete, because concrete is weak in tension. Steel is strong in tension and compression, which makes suspension bridges practical. Every nut and bolt, steel member size and thickness, and every other component on a bridge has been located and sized by using mathematics to calculate all the forces applied to each component of the bridge, which must be resisted by the materials used.

Answer 2

the iron bridge is made from cast iron The Iron Bridgecrosses the River Severn at the Ironbridge Gorge, by the village of Ironbridge, in Shropshire, England. It was the first arch bridge in the world to be made out of cast iron a material which was previously far too expensive to use for large structures. However, a new blast furnace nearby lowered the cost and so encouraged local engineers and architects to solve a long-standing problem of a crossing over the river.

Answer 3

Bridges can be made from many types of material, such as wood, metal, glass, rubber and vines, to name a few. It would even be possible to have a bridge made of water or air! Any material that can support some weight can be used as a bridge. Water, when frozen, can support much weight and if the ambient temperature is low enough, that bridge can be almost permanent!

Answer 4

Bridges can be mad of just about anything, although steel and concrete would be the most common ones.

Answer 5

Mostly natural local stone.

Answer 6

Concrete and steel.

Answer 7

wat is a cat

Answer 8

Wood, steel, brick, concrete etc.

Answer 9

wood