Ship lost power?
Ship That Collided With Francis Scott Key Bridge in Baltimore had Power Issues just before impact
https://rumble.com/v4llvjc-ship-that-collided-with-francis-scott-key-bridge-in-baltimore-had-power-iss.html
It’s hard to tell from that angle, but it almost looks like even before the first power loss it was not centered in the span and watched closer to the support.