Build A Bridge Click and drag each bridge to the correct location (if you need to, survey the sites again): Photos: (1) © Richard D. Strange; (2) Rita Serderian-Precast/Prestressed Concrete Institute; (3) Portland Cement Association; (4) The Honshu-Shikoku Bridge Authority. 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