[riverrunner]

They needed some engineering skills to know where to place the explosives to bring down.

Bringing a structure down requires more then just randomly placing explosives.

[Reaganite Republican]

No doubt- I guess we’ll soon be hearing if they were actually had any idea what they were doing

[kaboom]

Maybe if there was a dam upstream of the bridge. Then it's much easier.

Not so good on a canal tho.