The 73 meter long self propelled tanker Schloss Neuschwanste allided with a railway bridge over the Wesel-Datteln channel near Wesel, Germany.   The tanker struck the bridge destroying the wheelhouse.   The Schloss Neuschwanste proceeded forward until it collided with two other vessels moored nearby.   The master of the Schloss Neuschwanste was seriously injured and taken to hospital.   Traffic on the railway bridge was temporarily halted until it could be inspected for damage.   Reports state the damage to the Schloss Neuschwanste has disabled the vessel, but the cargo of butane had not leaked.