I ‧ ron ‧ bridge /ˈaɪənbrɪdʒ $ -ərn-/ BrE AmE
a bridge over the River Severn in Shropshire, western England, or the area surrounding it. It was the first ↑ cast iron bridge ever built, in 1779, and the area around the bridge was a centre of the ↑ Industrial Revolution and is now a ↑ museum .