The article discusses the history, design, and construction of the Tay Railway Bridge. It talks about the failure of the first bridge in 1879 and the construction of the current bridge from 1882-87. The new bridge was built by William Arrol of Glasgow using innovative construction methods. The paper outlines the events leading to the collapse of the first bridge and the findings of the public inquiry. The new bridge, which opened in 1987, was a significant engineering achievement and celebrated its centenary in 1987.