  |
China Bridge - http://www.pbs.org/wgbh/nova/lostempires/china/
Discover how China's Song dynasty during the eleventh and twelfth centuries used the high arch "rainbow bridge" to solve the problem of spanning a fast-moving river without impeding boat traffic. Nova online. |
| |
Context for World Heritage Bridges - http://www.icomos.org/studies/bridges.htm
Contextual essay with bridge design and construction dealt with chronologically by material and by type. Includes bibliography and list of potential World Heritage bridges. |
| |
Bridge Signs - http://www.douglascoulter.com/BridgeSigns/
Douglas Coulter's collection of bridge maker's plates from wrought iron bridges of Illinois. Also features photographs of covered and iron bridges, and bridge postcards. |
| |
Building a Bridge - http://www.blythweb.co.uk/blythburgh/1794bridge.htm
The story of the rebuilding of a bridge over the Blyth between Heveningham and Ubbeston in 1794. |
 |
Instructions on Modern American Bridge Building - http://quod.lib.umich.edu/cgi/t/text/pageviewer-idx?c=moa;cc=moa;rgn=full%20text;idno=AGW8534.0001.001;didno=AGW8534.0001.001;view=image;seq=00000005
Full text of George Tower's illustrated book first published in 1874. |