Timber Decking Joists

How to stop jumping on the wooden beams of the bridge?

I have a wooden bridge lasts more than 3 million 140×45 F17 HWD beams and is somewhat elastic, How I can tighten the cover and get rid of most of the movements?

You can add an additional beam ……. is a ……… can add additional beams and'…… the four but the 1 / 4 "to not make a sandwich ……. let it pass and water to dry. You could also try blocking that I …. … it just adds extra weight, but not much strength. A Once you have the time ……. It is difficult, without adding additional beam and the postal system. If you can not see below, can X-bracing between the rafters …… that will help a lot and not add much weight. The beam reinforcement is the easiest. Good luck and happy new year Nice.