Suspension bridges are one of the oldest engineering forms, dating back to the 4th century. Modern suspension bridges were made possible by the web truss, invented by John Augustus Roebling. The web truss made a very sturdy, rigid structure that could withstand storms, wind forces, and heavy loads.
The Bessemer process
Steel
The Bessemer process produced the lightweight steel needed to build a suspension bridge.
The Bessemer process produced the lightweight steel needed to build a suspension bridge.
Suspension bridges look a little bit likecable-stayed bridges.
strong steel made it possible to build skyscrapers and suspension bridges
suspension bridges
In suspension bridges
Electricity powered homes and factories. How did electricity change Americans' lives?
yes
Egypt is not home to one of the three longest suspension bridges in the world.
Civil Engineers.