U.S. bridge collapse accident “It is expected to take 1 to 2 years to determine the cause” Japan Transportation Safety Board.

Two of the six workers missing after a large cargo ship collided with a bridge pier and the bridge collapsed in the early hours of the 26th in Baltimore, the largest city in the eastern US state of Maryland. The NTSB is conducting an investigation by analyzing records and interviewing crew members, but has predicted that it will take one to two years.