Boareskyr Bridge springs to mind as the most famous bridge, though I don't think trolls are likely to be hanging around there unless they happen to be Cyricists.
the trolls of the evermoors are mostly scattered since the surge in giants there
"You came here to be a martyr in a great big bang of glory... instead you will die with a whimper." ::moussaoui tries to interrupt:: "You will never get a chance to speak again and that's an appropriate ending."
Across the rivers Vudlur and Splenddarrllur in Amn (close to Keczulla near the foothills of the Troll Mountains) are twin dwarven built bridges: the Axe- and Star bridges, which date back to the days of High Shanatar. [page 43 Amn booklet from the Lands of Intrigue set]
Edited by - Mumadar Ibn Huzal on 16 Apr 2006 21:27:02