The world’s first cast iron bridge was built over the River Severn at Coalbrookdale in 1779.
From Wiki:
In the early eighteenth century, the only way to cross the Severn Gorge was by ferry. However, the industries that were growing in the area of Coalbrookdale and Broseley needed a more reliable crossing.
In 1773, Thomas Farnolls Pritchard[1] wrote [...]
