Understanding Bridges

Understanding Bridges

Mending Bridges: Beauty of Knowledge and Unity

Multiple Choice

Cracks in a steel bar in the Silver Bridge over the Ohio River caused the bridge to collapse, which led to laws requiring....

• bridge inspections

• steel bridges

• bridge arches

• pneumatic caissons

Multiple Choice

Painters regularly paint bridges to prevent the steel from ____________.

• melting

• rusting

• falling

• hardening

Multiple Choice

Massive concrete islands that surround a bridge support columns to prevent ships from colliding are called ____________.

• dolphins

• pneumatic caissons

• bridge arches

• support islands

Multiple Choice

In 1883, the Brooklyn Bridge was the largest ____________ of its time.

• beam bridge

• suspension bridge

• arch bridge

• wire bridge

Multiple Choice

The three main bridge types from which all bridges have evolved include all of the following EXCEPT_________.

• arch bridge

• suspension bridge

• beam bridge

• wire bridge

Multiple Choice

A form of the suspension bridge, the _________________ is now frequently built because of its strength and low cost.

• arch bridge

• wire bridge

• beam bridge

• cable-stayed bridge

Poll

After watching the video and taking the quiz, do you think you picked up at least one interesting fact about bridges?

• Yes

• No