I understand that this is more of a proof of concept than a bridge built to solve a practical problem ... but it feels like this structure was engineered NOT to solve a problem.

Normally bridges allow you to cross over something that you could not otherwise easily cross, such as a stream, a gully, or a competing transport path.

But this bridge basically sits over some flat paths that are easy to traverse as-is, and it makes them harder to traverse, because now you need to go up and down the bridge.

Indeed, because of the bumpiness of the structure, I would not be surprised if it is inaccessible for wheelchairs and bicycles, where a flat path would have been adequate.

So as a technical feat, I guess it achieves its desired purpose, but it has negative practical value.