I appreciate the clear headed comments and link from Teal, Gnoahh, and some others. I've been over the Key Bridge a couple of times and appreciate Gnoahh's trepidation on the crossing. As on our Mackinac Bridge (da Bridge) the driver doesn't get to admire the adjacent views.

Regardless of whether the Dali is diesel, diesel electric, or steam turbine electric powered, the propulsion, rudder, and bow thruster controls from the bridge would be electrical/electronic and subject to failure from the two apparent power outages. Both indicators and control devices for propulsion and steering would malfunction.