Well, "bridge" may be a bit generous — it was actually just a long branch, about as thick as an arm, spanning

Well, "bridge" may be a bit generous — it was actually just a long branch, about as thick as an arm, spanning from one bank to the other. It may have been enough for a kobold to cross, since we could see another of those small bone pyramids on the far side, but it didn't look nearly strong enough for our party to cross.