In fact the world's first iron bridge at the place that took its name from that structure - Ironbridge, Shropshire. For more information about this photograph (and some thoughts about the designation of World Heritage Sites) go to: http://photoreflect.blogspot.com
What a superb looking bridge! This is an arresting photograph and seems perfect for the B&W treatment you've selected. I especially enjoyed the additional information you've included on your Blog. Thanks for posting this.