If you remember the Google SketchUp Gingerbread House Competition, you may be interested in the new Student Bridge Modeling Competition:
Are you in awe of the engineering that goes into designing a bridge? Do you have a favorite local, famous, or historical bridge you’d like to see in Google Earth? Now you have a chance to show off your modeling skills and make that dream a reality by entering the Google SketchUp International 2009 Student Bridge Modeling Competition. Simply model the bridges of your choice in Google SketchUp, geo-reference them in Google Earth and submit them by uploading to the Google 3D Warehouse to earn lasting online glory and, for the winners, a handsome prize. You may enter this competition if you are a student at a higher education institution almost anywhere in the world. Please read the official rules before registering.
From the pages of CRAFT, Volume 9: