Barmouth Bridge - Credit: Wikimedia Commons
Barmouth Bridge (Welsh: Pont Abermaw), or Barmouth Viaduct is a Grade II* listed single-track wooden railway viaduct across the estuary of the River Mawddach near Barmouth, Wales. It is long and carries the Cambrian Line. It is the longest timber viaduct in Wales and one of the oldest in regular use in Britain. Read more on Wikipedia
Source: en.wikipedia.org