LONDON (Reuters) – The road-and-rail bridge linking Russia and the Crimean peninsula was damaged in a powerful blast on Saturday, hitting a crucial supply route for Russian forces in Ukraine. Following are key facts about the bridge. CRIMEA AND RUSSIA LINK The 19-km (12-mile) Crimea Bridge over the Kerch Strait is the only direct link between the transport network of Russia and the Crimean peninsula, which Moscow annexed from Ukraine in 2014. The bridge was a flagship project for Russian President Vladimir Putin, who opened it himself for road traffic with great fanfare by driving a truck acro…