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.

Building a Bridge
The story of the rebuilding of a bridge over the Blyth between Heveningham and Ubbeston in 1794.

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.

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.

English versus American Bridges
Discussion on the merits of English and American iron bridges. Published in the 1874 edition of the Railway Gazette.

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.

Instructions on Modern American Bridge Building
Full text of George Tower's illustrated book first published in 1874.