3 types of wood joint to use for the bridge project include:

1. End to End  Does not work well

2. End to Edge  Works well

3. Edge to Edge  Works well

Your craftsmanship in cutting your joints is a major key in the success of your design. End grain to end grain should not be glued do to the pores cell structure of the wood. A combination of End to Edge and Edge to Edge has often been the best solution.