...carried at failure by the weight of the bridge. For instance, last year's Junior Truss winners, Hans Petaja and Thomas Sorenson, won with an efficiency rating of 687. In other words, their bridge carried 687 times the bridge's weight. Other...

...carried at failure by the weight of the bridge. For example, last year's junior truss winners, Hans Petaja and Thomas Sorenson, won with an efficiency rating of 687. Their bridge carried 687 times the bridge's weight. Other winners in junior...