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Cable-stayed Bridge: This bridge supports the
main passage using towers and many strong steel
cables.
Cable-stayed Bridge
Suspension Bridge: This bridge
consists of two pairs of pillars with
two or more cables made of strong
steel slung between them.
Suspension bridge
Amazing Atal Setu in Mumbai is the longest sea bridge in India. It
Facts is an “engineering marvel” as it was built using multiple
technologies that had never been used in India before. This
six lane, 21.8 km long bridge covers 16.5 km over the sea
and about 5.5 km on land.
Let’s Recall
People build different things.
In the olden days houses were built using mud, leaves and bamboo.
Today we use bricks, cement, sand, gravel, steel rods, wood, glass, marble and
tiles.
Different materials are made and used to construct houses.
An engineer plans buildings and bridges and an architect designs them.
Many people like contractor, mason, carpenter, plumber, electrician and painter
are involved in the construction of a building.
Bridges are built to carry people, vehicles and goods from one side to another.
Bridges are of different types – arch bridge, beam bridge, cantilever bridge, cable-
stayed bridges and suspension bridges.
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