Good video of the whole thing, when a few lanes of the new bridge opened earlier this summer:
http://www.nbcnewyork.com/on-air/as-seen-on/New-Tappan-Zee-Bridge-Opens-to-Traffic_New-York-441820763.html
It reminds me a bit of the Zakim bridge in Boston.
https://en.wikipedia.org/wiki/Leonard_P._Zakim_Bunker_Hill_Memorial_Bridge