History of Bridges

Basic bridge designs are developed from natural bridges.

• true

• false

What two ancient civilizations were great bridge builders?

When was the Britiannia Tubular Bridge completed?

• 1300 years ago

• 200 years ago

• in 1850

When did builders start using concrete?

• 100 years ago

• 200 years ago

• 300 years ago

• 50 years ago

What type of ancient bridge do you think is the prettiest?

• clapper

• roman arch

• timber cantilever

• great stone bridge

What type of modern bridge do you think is the strongest?

• cast-iron

• britannia tubular

• a covered bridge

• brooklyn bridge

What are three basic bridge types?

Draw a picture of the type of bridge you would like to build for this challenge.