Tay Bridge Opens to Traffic

Engineered by Sir Thomas Bouch, the 2-mile iron lattice viaduct allowed the North British Railway to complete its direct route from Edinburgh to Dundee, slashing travel times dramatically. Queen Victoria crossed it shortly after opening. The structure featured 85 spans and represented a major Victorian engineering achievement until its tragic collapse the following year. It spurred further advances in bridge design standards across Britain and influenced global railway infrastructure practices.