In 101 Trajan (reigned 98–117), after gaining the approval of the Roman Senate, began advancing on Dacia. A stone bridge later known as Trajan's bridge was constructed over the Danube to assist the legionaries' advance. The Roman offensive was spearheaded by two legionary columns, marching right to the heart of Dacia, burning towns and villages in the process. In the winter of 101–102, the Dacians led massive assaults on the legions stationed in Moesia, but were defeated by Trajan in the Battle of Adamclisi. In 102 the Roman armies converged for a final assault and defeated the Dacian army at the third Battle of Tapae. After the battle, Decebalus chose to surrender. The war concluded with a Roman victory but the Dacians planned to organize further resistance.