aav - Walk over the arches : 28Oct2024 {1 of 9}

That's a LOT of water ! No wonder we could hear it thundering, as we approached ...
As a means of protecting the piers from scour in spate conditions like these, the area under the bridge is paved [concreted] over and the drop over the weir is "cushioned" by some large lumps of rock.
Note that the viaduct crosses at an angle, hence the "corner" in the over the far side ...