Bridge Bonanza

2. The weight a bridge carries
5. the distance a bridge has to cross
6. the surface of the bridge (road/path/rail)
7. third stem in the Engineering design process
10. a three sided shape
12. one way engineers prevent bridge failure after they are built (you probably did it to your model before testing)
13. The twisting force applied to bridges, usually by wind

1. name of the bridge that recently collapsed from strong winds
3. a pushing or squeezing force, acting inward
4. a written plan that identifies a problem to be solved, its criteria, and its constraints
8. the best option for long spans
9. a pulling or stretching force, acting outward
10. a system of diagonal triangular supports
11. the simplest type of bridge