Seeing how desperate was the condition of the fortress, Prince Gortschakoff had resolved, after the Battle of the Tchernaya, to abandon Sebastopol. In letters to the Minister of War, of August 18 and 24, 1855, he expressed this intention, saying there was not a man in the army who would not call it folly to continue the defence longer. With a view to conducting a retreat he pressed forward rapidly the construction of the bridge across the harbor, which was to have a roadway of sixteen feet and to bear heavy vehicles. He also conferred with Todleben on other measures to protect the withdrawal, and accordingly barricades were built across the streets and formed into armed and defensible works which were intended, as a last resort, to hold in check the assailants. Preparations were also made for blowing up the principal forts and magazines. Another great cannonade had begun on August 17th. The French lines had now approached so close to the place that new additions to them were immediately destroyed or rendered untenable by the fire from the Malakoff and Little Redan; and the shower of small shells, easily cast into the trenches from the ramparts, and called by the French "bouquets," greatly increased their losses. For the silencing of the artillery, which thus hindered the French sappers, the allied batteries opened in full force against the part of the enemy's lines from the Redan to the great harbor. But the town front was not included, and the English batteries suffered greatly from want of support by the works on their left. On August 20th Gortschakoff entered the fortress, and went round the lines of defence, upon which the fire of the allies was just then at its height. What he saw might well confirm him in his resolution to retreat. There was no longer either a city or a suburb to defend, for both were heaps of rubbish and cinders. The parapets of the works, dried in the heats of summer and split in huge fragments by the shot, were crumbling into the ditches. The interior space was honeycombed with holes made by the shells. Gabions and sandbags could not be procured to repair the embrasures, which remained in ruins. Many of the dismounted guns could no longer be replaced, not because there were not plenty in the arsenals, but because to mount them by night, under the deadly fire of the mortars, entailed such frightful sacrifices of men.