The river is called "Rio Uruguay", is one of the borders of the Misiones Province, in Argentina, about 85 km from Iguazu Falls..... The Bridge is excatly under the first bike.....
This was taken at the Pee Dee river bridge at Pee Dee of my little bike. <a href="http://s857.photobucket.com/albums/ab137/JALnSC/?action=view¤t=ecf14e97.jpg" target="_blank"><img src="https://www.advrider.com/advrider-photobucket-images/images/J/JALnSC_ecf14e97.jpg" border="0" alt="Photobucket Pictures, Images and Photos" /></a>
this is from a couple of years ago, it's a boxcar, turned into a covered bridge over a creek that ran through a ranch.