It looked to me like the bridge goes over the low spot that always fills with water when it rains a lot. And in addition to the new bridge, there appears to be

It looked to me like the bridge goes over the low spot that always fills with water when it rains a lot. And in addition to the new bridge, there appears to be a French drain trailing off down the shallow gully toward a chain link fence. I looked at the secondary link someone else posted: https://www.designboom.com/technology/holcim-3d-prints-phoenix-reinforcement-free-concrete-bridge-12-14-2023/ https://www.designboom.com/technology/holcim-3d-prints-phoen...