The American Society of Civil Engineers has been putting on an annual popsicle stick bridge competition for high schools in western Washington for the last 13 years. Last year, I entered with a 350 gram, 30 inch long bridge that carried 567 pounds under their hydraulic press. Their website is http://www.seattleasce.org/ymf/popsiclebridge.html . They score the bridges on efficiency (I won at that!) and aesthetics (I don’t know why I didn’t win at that).