Act7 Broken-Bridge map pathing issue

Bug number : 2493212891
Issue: as seen in the screenshots, the pathing got all weird when leading to the locket-quest-area. also included a graphic glitch because of it.

image1 : https://i.imgur.com/O9ga8vN.jpg
image2 : https://i.imgur.com/FF6xZS8.jpg
image3 : https://i.imgur.com/4gClfJU.jpg

I managed to get the the area with flamedash, but its a bug nonetheless.
Thanks.