Laigh Milton Viaduct

Formerly known as Milton Bridge, the viaduct was built in 1809-11 as part of the Kilmarnock & Troon Railway which was Scotland's first public railway. The viaduct ceased to be used in 1846 when the railway was realigned. It was restored in 1995-96 as a footpath.
https://portal.historicenvironment.scot/designation/LB990
Gatehead, Ayrshire