This showed me that the collapse wasn’t due to fatigue cracks in the super-structure but failure in the piles on which the roadway was laid.
I wonder if the damn above the bridge was built before or after the bridge was built?..... There’s a picture of the bridge at the link below and further down the page is another picture showing the bridge intact and the damn above it [#167}. From that picture you can easily seen the strong current flow indications.
http://www.freerepublic.com/focus/f-news/1874950/posts?page=101#101
A “dam” holds back water. Not trying to be a spelling policeman, but the use in your post just looks funny.
Just DAM!
Thanks for the pic’ I’ll study it today.