When we first saw the stream in our backyard, it was just a thin vein of water trickling through a bed of rocks in the heat of the summer. Heavy wooden planks served as a bridge we could easily cross. Months later, torrents of rain pounded our area for several days in a row. Our tame little creek swelled into a quick-moving river four feet deep and ten feet wide! The force of this water heaved the bridgeboards up and deposited them several feet away.

Rushing water has the potential to overwhelm almost anything that stands in its path. Yet, there…