BRIDGES
'(<a href="http://www.j-archive.com/media/2009-10-30_J_06.wmv">Jimmy of the Clue Crew shows an architectural rendering on the monitor.</a>)  Built so that cars can drive over them or through them, the bridge structures <a href="http://www.j-archive.com/media/2009-10-30_J_06.jpg" target="_blank">here</a> are named for these support triangles that provide rigidity'
trusses