Bridges- notes- STEM class

What is the primary function of bridges?

• To serve as landmarks

• To carry people and vehicles across obstacles

• To decorate cities

• To generate electricity

Which materials were early bridges commonly made from?

• Plastic and rubber

• Wood, stone, and fibers

• Carbon fiber and titanium

• Glass and steel

What is the main characteristic of a beam bridge?

• It is suspended by cables

• It can move to allow ships to pass

• It consists of two or more supports holding up a beam

• It has towers from which cables go directly to the road deck

What type of bridge was first built in Coalbrookdale, England?

• Cast-iron bridge

• Cable-stayed bridge

• Cantilever bridge

• Suspension bridge

What is a truss bridge?

• A bridge made entirely of cables

• A bridge with a movable roadway

• A beam bridge with braces

• A simple type of bridge without any supports

How do suspension bridges support the road deck?

• Through a series of arches

• By using a system of counterweights

• With a single beam supported by abutments

• By hanging the deck with cables from towers

What is the span range of arch bridges mentioned?

• Up to about 500 ft

• Up to about 1700 ft

• Up to about 1000 ft

• More than 2000 ft

Which bridge is known for having a span over a mile long?

• The Sydney Harbour Bridge

• The Tower Bridge

• The Golden Gate Bridge

• The Akashi-Kaikyo Bridge

What makes a bascule bridge unique?

• Its construction from glass

• Its ability to float on water

• Its use of a single type of material

• Its movable roadway to allow ships to pass

What is the Chesapeake Bay Bridge–Tunnel?

• A 23-mile long fixed roadway crossing

• A bridge made entirely of glass

• A bridge that uses drones for support

• A simple beam bridge