The 65 meter long self-propelled sand barge  Henjor allided with a bridge over the Nieuwe Maas River near Maassluis, Netherlands.   The Henjor was trying to enter the inner port when the bridge was lowered too early striking the stern of the vessel.   The Henjor suffered damage to its crane and deck equipment while the bridge suffered minor damage.   No reports of injuries or pollution released.  Reports state the bridge was closed until it can be inspected.