I'm not sure how long it's been out of order, but it's been a while. Many months, at least.
The story I'm hearing is that it was a technical problem, but I'm not sure how much I'm allowed to say on that.
What I do know is that it's apparently been fixed for a little while but was turned off until the latest batch of CPs got trained.
Also turned off? The poacher gunshots. I'm hearing they may not return.
Tilting bridge is now back, though. However, the original sensor system (designed only to work with the giant trucks) combined with the new changes to the ride (putting other kinds of vehicles on the path for Adventure Safaris and such) mean that the effect will be auto-disabled for some guests riding the regular safaris. So unless something changes, for now it will be potluck whether you get the effect or not in your safari.
Heck, potluck would be an improvement for another certain ride... :lookaroun
B. Mode
The Disco Yeti