On the 240th anniversary of the creation of the iconic Iron Bridge in Shropshire, we meet head collections curator Matt Thompson to find out how its creation marked a turning point in engineering history, how it revolutionised the use of iron, and how it\u2019s paved the way for other engineering projects.\n\nTo find out more about the Iron Bridge or plan a visit, go to www.english-heritage.org.uk/ironbridge\nLearn more about your ad choices. Visit megaphone.fm/adchoices