The Bunker Hill Memorial Bridge built during the big dig was designed by a Swiss. I recall reading that during construction the designers visited the site and n

The Bunker Hill Memorial Bridge built during the big dig was designed by a Swiss. I recall reading that during construction the designers visited the site and noticed there being an issue (one of many at the big dig) where the rebar was incorrectly spaced and had to be completely redone or it would have collapsed before the opening.