Kran riss Loch in New Yorker Brooklyn Bridge

REUTERSEmergency vessels inspect panelling hanging down from the bottom of the Brooklyn Bridge after it was struck by a crane passing underneath in New York March 13, 2012. REUTERS/Lucas Jackson (UNITED STATES - Tags: DISASTER TRANSPORT)

REUTERSThe Brooklyn Bridge (R) and Manhattan Bridge span the East River in Manhattan August 24, 2011. New York will mark the 10th anniversary of the attack on the World Trade Center with ceremonies on September 11, 2011. REUTERS/Lucas Jackson (UNITED STA

REUTERSPanelling hangs down from the bottom of the Brooklyn Bridge after it was struck by a crane passing underneath in New York March 13, 2012. REUTERS/Lucas Jackson (UNITED STATES - Tags: DISASTER TRANSPORT TPX IMAGES OF THE DAY)

REUTERSPanelling hangs down from the bottom of the Brooklyn Bridge after it was struck by a crane passing underneath in New York March 13, 2012. REUTERS/Lucas Jackson (UNITED STATES - Tags: DISASTER TRANSPORT)

REUTERSPanelling hangs down from the bottom of the Brooklyn Bridge after it was struck by a crane passing underneath in New York March 13, 2012. REUTERS/Lucas Jackson (UNITED STATES - Tags: DISASTER TRANSPORT)

REUTERSPanelling hangs down from the bottom of the Brooklyn Bridge after it was struck by a crane passing underneath in New York March 13, 2012. REUTERS/Lucas Jackson (UNITED STATES - Tags: DISASTER TRANSPORT)

REUTERSEmergency vessels inspect panelling hanging down from the bottom of the Brooklyn Bridge after it was struck by a crane passing underneath in New York March 13, 2012. REUTERS/Lucas Jackson (UNITED STATES - Tags: DISASTER TRANSPORT)

EPAepa03143650 Police officers look at damaged scaffolding underneath the Brooklyn Bridge after a crane being towed by a tug boat struck the bridge in New York, New York, USA, on 13 March 2012. EPA/ANDREW GOMBERT