Old crib repurposed to a doggie bed - Will it hold the weight?

I have an old crib that was used by my mother when I w as a baby. I'm now 33. The crib is outdated and not safe for a child (the slat openings are too far apart). I put it back together and it's still very sturdy. The bottom can be adjusted to be used almost like a play-pen so I decided to remove the front part so it's three-sided and use it as a doggie bed for the German Shepherd coming next week.

My wonder is...can it support her weight. I mean, obviously a crib isn't supposed to fall apart but it's also only supposed to hold a baby and various baby-bed items. Can it support a fully-grown GSD? Does anyone know if cribs have "weight limits"?