How long will it take to rebuild Baltimore’s Francis Scott Key Bridge following its collapse?

The Francis Scott Key Bridge could rejoin Baltimore’s skyline in as little as two years or as many as 15, with some experts eyeing a number in between. 

The Key Bridge crossed the Patapsco River in Baltimore’s outer harbor until early Tuesday morning, when a cargo vessel struck the bridge and sent it into the frigid waters below. As of Wednesday, authorities are still searching for four missing construction workers who are presumed dead; two bodies were recovered Wednesday.

While...