S.T.E.M. #1

A beam or truss bridge is supported by:

• trees

• columns or piers

• metal rods

• wires

________________ distribute the load (weight) at the end of an arch bridge.

• abutment

• pillars

• piers

• columns

Modern suspension bridges are characterized by a/an __________shape cable pattern.

• T

• A

• M

• N

Which bridge design typically is the simplest and least expensive?

• modern suspension

• beam/truss

• arch

• cable-stayed

Two types of suspension bridges are modern suspension bridges and ____________ bridges

• cable-stayed

• beam

• arch

• truss

Which bridge design typically has the longest span?

• modern suspension

• arch

• beam/truss

• cable-stayed

_________ is a force that acts to shorten the thing that it is acting upon.

• force

• tension

• gravity

• compression

_____is a force that acts to expand or lengthen the thing it is acting upon.

• force

• tension

• compression

• gravity

Identify who is responsible for the design of bridges.

• civil construction workers

• civil bridge designers

• civil engineers

• civil scientists

Besides how they look, the main difference between the types of bridges is the __________________ they can safely span.

• distance

• weight

• design

• capacity