China Bridge 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. http://www.pbs.org/wgbh/nova/lostempires/china/ Pbs.org~Site InfoWhoisTrace RouteRBL Check
Building a Bridge The story of the rebuilding of a bridge over the Blyth between Heveningham and Ubbeston in 1794. http://www.blythweb.co.uk/blythburgh/1794bridge.htm Blythweb.co.uk~Site InfoWhoisTrace RouteRBL Check
Context for World Heritage Bridges Contextual essay with bridge design and construction dealt with chronologically by material and by type. Includes bibliography and list of potential World Heritage bridges. http://www.icomos.org/studies/bridges.htm Icomos.org~Site InfoWhoisTrace RouteRBL Check
Bridge Signs 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. http://www.douglascoulter.com/BridgeSigns/ Douglascoulter.com~Site InfoWhoisTrace RouteRBL Check
English versus American Bridges Discussion on the merits of English and American iron bridges. Published in the 1874 edition of the Railway Gazette. http://quod.lib.umich.edu/cgi/t/text/pageviewer-idx?c=moa;cc=moa;rgn=full%20text;idno=AJR3197.0001.001;didno=AJR3197.0001.001;view=image;seq=00000001 Umich.edu~Site InfoWhoisTrace RouteRBL Check
Historical Development of Iron and Steel in Bridges Reviews the development of steel bridge construction, demonstrating how improvements in methods and understanding of structural behaviour have enabled greater efficiency and longer spans. Includes illustrations. http://www.esdep.org/4ccr/members/master/wg01b/t0440.htm Esdep.org~Site InfoWhoisTrace RouteRBL Check
