This is the Kirtle Water Viaduct.

This is the Milk Water Viaduct.

This is the Dryfe Water Viaduct.

This is the Cogrie Viaduct.

Add viaduct tag for Harthope Viaduct?

This is Earn Viaduct.

This is Tay Viaduct (as opposed to Perth Railway Bridge).

Unable to answer "Is this still here?" – Telephone – osm.org/node/4210495508 via StreetComplete 58.2:

BT Telephone box still present. Phone replaced by defibrillator.

This is the Clyde Crawford Viaduct.

This is Torwoodlee Tunnel.