 After traveling for several hundred yards down a road running parallel to the creek, and open to flanking fire the entire way, Nagle's brigade, with the 2nd Maryland and 6th New Hampshire in the vanguard, broke before reaching the bridge.The Marylanders sustained 67 casualties out of an active force of less than 300 men.They fell prey to the Confederate sharpshooters and artillery, and the attack fell apart.