Charles River Bridge (Commuter Rail)
Encyclopedia
The Charles River Bridge is a pair of railroad single-leaf, through-truss, rolling bascule bridges across the Charles River
that connects North Station in Boston, Massachusetts to MBTA Commuter Rail
lines in northern Massachusetts.
. Each bridge uses a 629 short tons (561.6 LT) over-head concrete counterweight. Originally, there were four bridges, but only two of them remain.
Charles River
The Charles River is an long river that flows in an overall northeasterly direction in eastern Massachusetts, USA. From its source in Hopkinton, the river travels through 22 cities and towns until reaching the Atlantic Ocean at Boston...
that connects North Station in Boston, Massachusetts to MBTA Commuter Rail
MBTA Commuter Rail
The MBTA Commuter Rail serves as the regional rail arm of the Massachusetts Bay Transportation Authority, in the United States. It is operated under contract by the Massachusetts Bay Commuter Railroad Company a joint partnership of Veolia Transportation, Bombardier Transportation and Alternate...
lines in northern Massachusetts.
Design and construction
These bridges were designed by Keller & Harrington of Chicago, Illinois and built by the Phoenix Bridge Company of Phoenixville, PennsylvaniaPhoenixville, Pennsylvania
Phoenixville is a borough in Chester County, Pennsylvania, United States, northwest of Philadelphia, at the junction of French Creek with the Schuylkill River. The population is 16,440 as of the 2010 Census.- History :...
. Each bridge uses a 629 short tons (561.6 LT) over-head concrete counterweight. Originally, there were four bridges, but only two of them remain.