Complex sentence: The original name of the bridge was Nevsky Bridge, later renamed to Blagoveshchensky Bridge, after the death of Tsar Nicholas I to Nikolaevsky Bridge in his honor, and in 1918 to Lieutenant Schmidt Bridge.
Split into simpler sentences: The original name of the bridge was Nevsky Bridge. After the death of Tsar Nicholas I, it was named Nikolaevsky Bridge in his honor, and in 1918 it received the name Lieutenant Schmidt Bridge.