...g fire from sharp-shooters, was several times repulsed. Finally, at a little past noon, two regiments charged across the bridge and drove its defenders away. The divisions of Sturgis, Wilcox, and Rodman , and Scammon's brigade, with four batteries, passed the bridge and drove the confederates almost to Sharpsburg. A. P. Hill, with fresh troops, fell upon Burnside's left, mortally wounding General R...