Bridge Basics http://pghbridges.com/basics.htm
Useful Bridge Definitions http://pghbridges.com/termsBrg.htm
Basic Bridge Types from the Matsuo Bridge Company http://www.matsuo-bridge.co.jp/english/bridges/index.shtm
Bridge Types - from the UK http://www.bardaglea.org.uk/bridges/bridge-types/bridge-types-intro.html
How Bridges Work http://www.howstuffworks.com/bridge.htm
Bridges - from the UK http://www.brantacan.co.uk/starterpages.htm
Bridges from Fairfield University http://www.faculty.fairfield.edu/jmac/rs/bridges.htm
Building Big: All about Bridges http://www.pbs.org/wgbh/buildingbig/bridge/index.html
Glossery of terms from Building Big http://www.pbs.org/wgbh/buildingbig/glossary_head.html