The [url=http://www.wikimapia.org/#lat=16.9789785&lon=73.3917703&z=19&l=0&m=b]thing with the holes[/url] in the Panval river bed is a concrete base with pipes. This was a KR construction phase bridge that remains while the ramp on either side is long gone.
Next action is the southbound Mandovi express, seen from the Panval river valley with its iconic king sized viaduct.