What is the best design for a bridge building competition?

Can someone send me a layout of the best design possible for a brige building competition? It needs to be a small and hold at least 90 kgs.

What is the best design for a bridge building competition?
I would say it should be small and hold at least 90 kgs.





I'd suggest something based on a Roman Keystone arch since it has to be small.
Reply:Well it's a competition, so quite being a wuss, design it yourself, but I do know that structures built with a lot of triangles tend to fare well, so perhaps stacking a lot of those in the right way would help?
Reply:It's a *competition*





That means YOU compete with YOUR ideas.