Bridges returned in time to lead his division at Passchendaele in 1917. He was severely injured on 20 September at the Battle of the Menin Road Ridge, losing a leg. However he recovered quickly, and after a brief stint as head of the trench warfare department of Churchill's Ministry of Munitions, was sent back to Washington to coordinate the dispatch of American reinforcements to the Western Front. The rate of reinforcements was soon increased threefold.