Having collected an immense quantity of artillery and the main division of his army at a narrow wooden bridge erected across this stream at the town of Lodi, General Beaulieu awaited the arrival of the French, confident of defending the passage of the Adda and arresting their progress. Beaulieu had placed a battery of thirty cannon so as to completely sweep every plank of the bridge. Had he removed the structure, which was about 500 feet in length, when he changed his headquarters to the east bank of the river, he might have made the passage much more formidable than even his cannon made it.

Well aware that his conquest would never be consolidated till the Austrian army was totally vanquished, and deprived of all its Italian possessions, Bonaparte hastened to pursue the enemy to Lodi. Coming up on the 10th of May, he easily drove the rear-guard of the Austrian army before him into the town, but found his further progress threatened by the tremendous fire of thirty cannon stationed at the opposite end of the bridge so as to sweep it completely. The whole body of the enemy's infantry drawn up in a dense line, supported this appalling disposition of the artillery.

Bonaparte's first care was to place as many guns as he could get in direct opposition to the Austrian battery. He was determined that no obstacle should oppose his victorious career, and at once resolved to pass the bridge.

Exposed to a shower of grape-shot from the enemy's batteries, Napoleon at last succeeded in planting two pieces of cannon at the head of the bridge on the French side, and to prevent the enemy from destroying it a column was immediately formed from the troops that at once appeared, determined to carry the pass. The French now commenced a fearful cannonading. Bonaparte himself appeared in the midst of the fire, pointing with his own hand two guns in such a manner as to cut off the Austrians from the only path by which they could have advanced to undermine the bridge.

Observing, meanwhile, that Beaulieu had removed his infantry to a considerable distance backwards, to keep them out of the range of the French battery, Napoleon instantly detached General Beaumont and his cavalry, with orders to gallop out of sight, ford the river, and coming suddenly upon the enemy, attack them in the rear. When that took place Napoleon instantly drew up a body of 3,000 grenadiers in close column under the shelter of the houses, and bade them prepare for the desperate attempt of forcing a passage across the narrow bridge, in the face of the enemy's thickly-planted artillery.

A sudden movement in the flanks of the enemy now convinced Napoleon that his cavalry had arrived and charged the enemy's flank, and he instantly gave the word. In a moment the brave grenadiers wheeled to the left and were at once upon the bridge, rushing forward at a charge step, and shouting: "Vive la République!"; but the storm of grape-shot from the enemy's guns checked them for a moment. It was a very sepulchre of death and a burning furnace of destruction pouring out its broadsides of fire in defense of its position; a hundred brave men fell dead. The advancing column faltered under the redoubled roar of the guns and the rattle of grape-shot.

Lannes, Napoleon, Berthier and L'Allemand now hurried to the front, rallied and cheered the men, and as the column dashed across and over the dead bodies of the slain which covered the passageway, and in the face of a tempest of fire that thinned their ranks at every step, the leaders shouted: "Follow your generals, my brave fellows!"

Lannes was the first to reach the other side, Napoleon himself being second.

The Austrian artillerymen were bayoneted at their guns before the other troops, whom Beaulieu had removed too far back in his anxiety to avoid the French battery, could come to their assistance. Beaumont pressing gallantly with his horse upon the flank, and Napoleon's infantry forming rapidly as they passed the bridge, and charging on the instant, the Austrian line at once became involved in inextricable confusion. The contest was almost instantly decided; the whole line of Austrian artillery was carried; their order of battle broken; their troops routed and put to flight.