I'm not sure if you're aware, probably not, but the bridge is actually civilian infrastructure - attacking civilian infrastructure is against the geneva convention. It's not a legitimate military target, which is why everytime they've done that Russia has responded in kind. Then people have complained Russia have attacked civilian infrastructure after 2 days earlier they were cheering about the bridge being hit, which primarily supports the 2 million civilian population who live in Crimea. Presumably some of which are basically also Ukrainians.
Truly amazing. All the stuff Russia has done and yet you come up with this.
"WHAT DOES INTERNATIONAL LAW SAY?
The 1949 Geneva Conventions on humanitarian conduct in war and their protocols prohibit attacks on sites considered essential for civilians: "In no event shall actions against these objects be taken which may be expected to leave the civilian population with such inadequate food or water as to cause its starvation or force its movement."
They explicitly prohibit attacks on "objects indispensable to the survival of the civilian population, such as foodstuffs, agricultural areas for the production of foodstuffs, crops, livestock, drinking water installations and supplies and irrigation works...""
They make a clarification between three things, military targets, combined use targets, and civilian only targets.
Of course many are shared, like for example a bridge or a road. Unless they are actively being used for civilians only then they are deemed acceptable if there is a military usage taking place.
I cant find you a quick quote in regards bridges, but for example in regards energy infrastructure
"
WHAT ABOUT ENERGY FACILITIES?
Civilian power infrastructure has long been considered a valid military objective as long as it also supports an enemy army’s activities, military law expert Michael Schmitt wrote in the Articles of War blog run by the Lieber Institute at the U.S. West Point military academy.
International law professor Marko Milanovic of the University of Reading wrote in a blog that the main issue in assessing the military validity of the attack on the Nova Kakhovka dam's hydroelectric power station was whether it was making an "effective contribution" to military action."