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Suspension Bridge 
Suspension bridges typically span distances between 2,000 and 6,000 feet. You
only need to span 120 feet. Also, how are you going to fit two towers
in the middle of a freeway? Try again.Photo: Rita Serderian-Precast/Prestressed Concrete Institute Build A Bridge | Resources | Guide | Transcript | Bridge Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated October 2000 |