Waterloo Bridge, Betws-y-Coed imaginatively-designed iron road bridge by Thomas Telford, engineer, a significant example of early iron technology". Waterloo Bridge, Betws-y-Coed Waterloo Bridge () is an early cast iron bridge, spanning the River Conwy at Betws-y-Coed, in Conwy county borough, north-west Wales. The bridge is located about half a mile south-east of the village. It was built by the civil engineer Thomas Telford. An inscription on the arch records that it was constructed in the year of the Battle of Waterloo, but although designed and constructed in 1815, its erection was not completed until the following year. It was raised as part of
Waterloo Campaign: Ligny through Wavre to Waterloo in line, with the third in support. It was 17:30 when this took place and the moment when the Prussians became fully engaged in the Battle of Waterloo. Grouchy's movements, on 17–18 June, form so striking a feature in the history of the Waterloo Campaign, and exercised so important an influence upon the fate of the decisive Battle of Waterloo, that it becomes an essential point in the study of that history, to examine how far he complied with, and carried into effect, the instructions received from Napoleon, and to what degree his proceedings, consequent upon his ascertaining the direction