Kokosing nears end of six-week, expedited bridge repair of the main thoroughfare between Cincinnati and Covington, Ky.

Brian Brenner’s semester at Tufts, where he teaches bridge engineering, is coming to an end. 

When drivers began using two new lanes of the Bayonne Bridge between Staten Island and New Jersey last month, they crossed not only the Kill Van Kull waterway but also a nexus between a historic engineering past and a modern engineering present.