Teach Engineering
Bridging the Gaps
The London Bridge should not have fallen down. And here's why. After a brief history of bridges and the three main types, class members are introduce to the concepts of tension and compression, the two main forces acting upon bridges.
Library of Congress
Loc: Today in History: June 12: Roebling and the Brooklyn Bridge
Read about the building of the Brooklyn Bridge, the first steel-wire suspension bridge. This site, from American Memory, has a biography of John A. Roebling, the designer of the bridge, and many links to photographs of the construction...
PBS
Pbs Learning Media: Build a Bridge
Survey potential bridge sites, research bridge design, and select the right bridge for the right location in this interactive activity from the NOVA: "Super Bridge" Web site.