"Based on a preliminary assessment, AXA currently does not expect losses from the Francis Scott Key bridge collapse to be material at group level," AXA said in a statement. 

"We continue to monitor this closely."

AXA's commercial insurance unit AXA XL is lead underwriter on a $3.1 billion reinsurance policy for ship insurers.

(Reporting by Carolyn Cohn, editing by Sinead Cruise)