Work continues on the new Tappan Zee Bridge near Tarrytown, N.Y., Tuesday, Dec. 20, 2016. The concrete needed for New York?'s new, $4 billion Tappan Zee Bridge, under construction over the Hudson River, would be enough to make a 1,500-mile sidewalk reaching all the way to Florida?'s Key West. (AP Photo/Seth Wenig) ORG XMIT: NYSW102