Question: how many Egyptian ponton bridges has the Israeli air force destroyed during the October…

Answer: every single one. Most of them at least 2, several 3-4 times.

Question: how many Egyptian ponton bridges has the Israeli air force destroyed during the October 1973 Arab-Israeli War?

Answer: every single one. Most of them at least 2, several 3-4 times.

Lesson: it simply didn't matter. The Egyptians just kept on rebuilding - and using - them.

Now multiply this by 10 and you've got the picture of the Russian capabilities in this regards.