Crossing the divide: Five facts about UK bridges

The Queensferry Crossing has joined the list of engineering feats spanning the UK's rivers and gorges.It isn't the most glamorous, but technically the Bromford Viaduct - spanning three-and-a-half miles over Spaghetti Junction between Castle Bromwich and Gravelly Hill in Birmingham - is the longest.Another difficult one to confirm, but the oldest standing bridge could well be the Tarr Steps - a "clapper bridge" between Withypool and Dulverton in Somerset.