Blackfriars Bridge, a road and foot traffic bridge over the River Thames, The Vase (No. 1 Blackfriars) on its south side, London, UK. The present bridge was opened by Queen Victoria on 6 November 1869. Consisting of five wrought iron arches, it was built to a design by Joseph Cubitt. Cubitt, who also designed the adjacent rail bridge (now demolished). It was a condition that the spans and piers of the two bridges be aligned.