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All about bridges.

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lameese hajissa

on 26 October 2016

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Transcript of All about bridges.

What is a bridge?
A bridge is a structure that allows people and vehicles to cross over an open space. Bridges span, or stretch across, deep pits in the earth, bodies of water, and roads.

In folklore, it is said that trolls live under bridges and will sometimes give a passerby a riddle to solve before crossing, but I've never seen one so I'm not sure it's true.
Famous bridges
Golden Gate Bridge in San Francisco, California.
Charles Bridge in Prague (Europe)
Brooklyn Bridge in New York.
Brooklyn Bridge
Charles Bridge
Types of Bridges
There are five bridge types they are:
arch, beam, cable-stayed, suspension, and truss.

They all work in different ways to connect two sides.

Let's talk about the truss bridges, they are the easiest kind of bridge to make.
Truss bridges
GOAL!
All about bridges.
To help you build one!
Truss bridges use a pattern to create a strong bridge. The pattern usually involves triangular shapes.
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