Subsequently, artillery fire from Fort Driant (part of the Metz fortifications) made bridging and ferrying operations by the corps at Arnaville quite difficult. Finally, on 16 September, armored elements of the corps (U.S. 7th Armored Division) broke out of the Arnaville bridgehead and advanced toward the river Seille.
Following the barrage from Fort Driant (a component of the Metz defenses), bridging and ferrying operations by the corps at Arnaville became extremely complicated. Ultimately, on 16 September, armored units of the U.S. 7th Armored Division managed to escape the Arnaville bridgehead and push forward toward the Seille River.