Each owner of a summer cottage would like to make it unusually somehow, to make it original, unique. You can find ideas that are very original, exclusive, but their implementation requires too much money, or time, or maybe special skill.
The bridge option proposed in the photo does not serve its intended purpose, it is just an element of the landscape design of the site. It is not at all difficult to do it yourself, and especially expensive and rare materials are not needed. Only imagination, creativity, and the desire to surprise others are needed. Well, maybe a little more time.
The result, as we see, is worth it.