A tugboat works along side a river trestle at the Port of Coeymans last week.

... a temporary expansion of the Port of Coeymans into the Hudson River. The request by Tappan Zee Constructors, of Tarrytown, to the U.S. Army Corps of Engineers involves four large riverfront trestles and cranes that extend hundreds of feet from the ...
https://m.timesunion.com/business/article/Tappen-Zee-bridge-builder-push-effort-to-retain-13454420.php