The Balsa Bridge Building Contest takes place on May 6 at Notre Dame Regional Secondary High School. This contest invites both physics 11 and 12 students that attend Notre Dame to build a bridge that can support as much weight as possible. This contest has many rules and regulation that must be followed to be able to compete in this contest. The current record held by Matt Sullivan is 209.4 kg and last years winner was Holden Lee with a total mass of 107.90kg. There are many photos taken during last years contest that could be found here. This contest was sponsored by many organizations and companies. Here is an interesting site from the additional links on the Balsa Bridge Building Contest site. This link shows you the basic bridge types.
Vancouver is a city of many interesting bridges. Here is my favorite