1994 E420 shimmys and pulls at all speeds

[bigandluscious]

the other day i was forced to turn around in a bad area and went over some ruts and roots. i crept over them, but apparently they were too much, although i didn't notice anything at the time. later that day on the highway, the car started to shimmy and pull to the right. at low speeds it, it feels like something is grabbing the right front tire every time it makes a revolution. at highway speed, it becomes somewhat violent, and doesn't feel safe to drive. when i got the chance to take the wheel off, i found that the sway bar bracket was sheered clean right above the sway bar. that was the only thing i could see wrong.
i replaced the sway bar bracket yesterday and took it for a test drive, but it's still doing the same thing. any ideas of what the problem is?
is it possible that i didn't tighten the bracket enough? or perhaps the sway bar is bent? i don't know if that would cause what i'm experiencing. could the problem be a different part entirely?