Note the fish ladder on north side of the west end of the bridge.
Fish Ladder, operated by Northeast Utilities, gives viewers a chance to watch anadromous fish such as shad as they make their journey up the Connecticut River each spring. Located at the Turners Falls dam.
Dams
By: TexasAndroid
http://www.bio.umass.edu/biology/conn.river/burnham.html
(picture at the bottom of the page)