This will fix the Sanctuary Bridge without editing meshes. It changes the static base for the bridge in order to fix it. So Navmesh and everything works (as you can see in the picture with the Companion NPC)
NO NEED FOR bUseCombinedObjects=0
Version 1.1: fixed Workshop bug - thank you Stemathome for the instructions
NO NEED FOR bUseCombinedObjects=0
Version 1.1: fixed Workshop bug - thank you Stemathome for the instructions