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Arch Bridge 
No. Arch bridges typically span much shorter distances. You need
to span 5,000 feet. (Imagine how tall an arch would have to rise to span 5,000 feet.) Try again.Photo: The Honshu-Shikoku Bridge Authority NOVA Builds a Rainbow Bridge | Bridge the Gap | Nature's Miracle Material China's Age of Invention | Resources | Transcript Medieval Siege | Pharaoh's Obelisk | Easter Island | Roman Bath | China Bridge | Site Map 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 November 2000 |