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
Battle of Waterloo his last reserves, the French Imperial Guard, to a desperate final attack, which was narrowly beaten back. With the Prussians breaking through on the French right flank, Wellington's Anglo-allied army counter-attacked in the centre, and the French army was routed. Waterloo was the decisive engagement of the Waterloo Campaign and Napoleon's last. According to Wellington, the battle was "the nearest-run thing you ever saw in your life". Napoleon abdicated four days later, and on 7 July coalition forces entered Paris. The defeat at Waterloo ended Napoleon's rule as Emperor of the French, and marked the end of his Hundred Days