Weston Middle School

Massachusetts Grade 8

Technology/Engineering MCAS Review
Home | Site Map | Background | Materials, Tools and Machines | Engineering Design | Communications Technology |
Manufacturing Technology | Construction Technology | Transportation Technology | Bio-Related Technology | Links |
 

Bridge Examples
  Bridge Type Where Used Example
  Truss Railroad Bridges; carry very large loads

Railroad Bridge at North Station, Boston
  Suspension Bridges Span very long distances, > 1000 feet

Golden Gate Bridge, San Francisco, from http://www.bridgedeck.org/
  Stayed-Cable Bridges Span mid-ranges distances 500-1000 feet

Zakim Bridge, Boston, MA
  Arch Bridges  

Steel Arch bridge, Gloucester, MA.
  Suspended Arch Medium Distances

Pistataqua Bridge, Portsmouth, NH- Note how arch incorporates truss and suspension bridge features- from Granitehighways.com
  Beam Bridges Short Distances

Box Beam Bridge-I-93 under construction, Charlestown, MA.

I-Beam Bridge- Rte 128 at Weston

 
   
 
Revised December 2005 by Jonathan Dietz, dietzj@mail.weston.org