Joe Biden has found himself in yet another excruciating gaffe after mistakenly claiming he commuted over Baltimore’s Francis Scott Key Bridge via car and train. Biden, 81, made the comments just hours after shocking footage showed the structure collapsing after a collision with a container ship at 1.30am local time (5.30am GMT). The 46th President was making public remarks following the catastrophe but appeared to falsely claim the bridge was accessible via rail. He said: “At about 1.30[am], a container ship struck the Francis Scott Key Bridge, which I’ve been over many, many times commuting f…