Walton Bridge is a road bridge across the River Thames in England, carrying the A244 between Walton-on-Thames and Shepperton, crossing the Thames on the reach between Sunbury Lock and Shepperton Lock.The bridge is the first Thames road bridge which is on both banks upstream of Greater London. The bridge is the sixth on the site. Before the first bridge, the site had a ferry dating at least to the 17th century.