How many bridges are over the Mystic River in Boston, MA?

The Mystic River Bridge previously known as Tobin Memorial Bridge connects the Charlestown section of Boston with Chelsea. The bridge provides three travel lanes northbound on its lower level and three lanes southbound on the upper level. Tolls are collected from southbound cars only. read more

I know of two, but there may be more: 1. Alford Street (Google Maps) 2. Maurice J. Tobin Memorial (Google Maps) The Tobin Bridge is obviously the largest and most well known of the pair, spanning more than two miles from Boston to Chelsea. read more

Over one hundred years later, the Mystic River played a role in the American Revolution when on September 1, 1774, a force of roughly 260 British regulars rowed from Boston up the Mystic River to a landing point near Winter Hill in today's Somerville. read more

In 1967, the Mystic River Bridge was renamed in honor of Maurice J. Tobin, former Boston mayor and Massachusetts governor. During his term in office (1945–1947), Tobin created Massport and ordered the construction of the Mystic River Bridge. read more