To The Bronx

The MTA bridge that takes trains running up Park Avenue into The Bronx, has been in service since 1954:

Previous iterations of the bridge look less familiar:

The image above shows the 1867 bridge (the right-hand side bridge with the one tall tower) being replaced with a new 1891 bridge.  When this 1891 bridge was completed, it looked like this:

and remained until the 1954 bridge replaced it.

I love this video of half of the MTA bridge raised:

https://www.youtube.com/watch?v=yU7lOy1YV1w

See:

http://www.iridetheharlemline.com/2014/12/19/bridges-of-metro-north-the-harlem-river-lift-bridge/

for more.