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 Zieten obeyed and marched to Bülow's aid. Müffling saw this movement away and persuaded Zieten to support Wellington's left flank. Müffling warned Zieten that "The battle is lost if the corps does not keep on the move and immediately support the English army". Zieten resumed his march to support Wellington directly, and the arrival of his troops allowed Wellington to reinforce his crumbling centre by moving cavalry from his left. The French were expecting Grouchy to march to their support from Wavre, and when Zieten's I Corps appeared at Waterloo instead of Grouchy, "the shock of disillusionment shattered French morale"