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©2002, Bigelow Middle School, Engineering Technology Department

 

 

6.  The 4 Factors that describe a bridge
There are four major factors that can be used to describe bridges.  Fill in the missing information for each factor in the spaces below.

Bridge Factors
Answer
Span
Material
Placement of Travel Surface
Form
 
7.  Bridge Builing Site Challenge
Engineers must use the right bridge design for different builing sites.  Use the link below to determine which bridge design would be the best to use in each site scenario.
Site Scenario
Bridge Design Type
5,000 feet or more over the ocean
Material120 feet across a highway
1,000 foot span across a busy river with boats
700 foot span across a deep canyon
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