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CTM - Bloomingdale Line Swing Bridge


Photo taken by John Tolva

License: Creative Commons Attribution-NonCommercial-ShareAlike (CC BY-NC-SA)


View this photo on Flickr

BH Photo #292030


Street View 


Bloomingdale Line Swing Bridge

Bridge being closed for a train for what may be the final time, Feb. 14, 2015

Rod LaFleur

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Designed by Onward Bates, fabricated by American Bridge Works, constructed by Milwaukee & St. Paul Railway, and located along Milwaukee Road Bloomingdale Line. This bobtail swing bridge is possibly the only one of its design ever built.

See https://www.chicagoarchitecture.org/2015/03/03/zed-six-chica... for more details

Bridge's structure heavily vandalized by copper thieves. Bridge was swung shut for last train in Feb. 2018 to retrieve remaining railroad cars.

See also https://www.facebook.com/groups/PetroleYUM/permalink/1490785...


Deck plate girder bridge over North Branch Chicago River on Chicago Terminal Railway
Chicago, Cook County, Illinois
Abandoned to rail traffic Feb. 2018 after severe vandalism to wiring
Built 1899 to replace earlier wooden through truss swing bridge
- American Bridge Works of Chicago, Illinois
- Onward Bates of St. Charles County, Missouri
- Canadian Pacific Railway (CP)
- Chicago Terminal Railway (CTM)
- Chicago, Milwaukee, St. Paul & Pacific Railroad (MILW; CMStP&P; CMStP)
- Commuter Rail
- Metra (METX)
Bobtail swing bridge; deck plate girder
Length of largest span: 175.0 ft.
Total length: 265.0 ft.
Also called
MILW - Bloomingdale Line Swing Bridge
Milwaukee Road Bridge Z-6
Bloomingdale Line Swing Bridge
Approximate latitude, longitude
+41.91568, -87.66340   (decimal degrees)
41°54'56" N, 87°39'48" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/444986/4640626 (zone/easting/northing)
Quadrangle map:
Chicago Loop
Inventory numbers
BH 56204 (Bridgehunter.com ID)

Update Log 

  • July 18, 2018: New photos from John Marvig
  • February 28, 2018: New video from Alexander D. Mitchell IV
  • February 27, 2018: Updated by Alexander D. Mitchell IV: Bridge vandalized, closed to allow a train to retrieve cars in Feb. 2018--possibly the last time it will see service.
  • November 26, 2015: New photos from Royce and Bobette Haley
  • March 30, 2015: New photos from Steve Conro
  • March 25, 2015: New photos from Steve Conro
  • August 23, 2014: Updated by Luke: Open
  • June 14, 2014: New photo from Douglas Butler
  • May 8, 2013: Updated by Luke Harden: Changed status
  • May 8, 2013: Added by Frank Hicks



CTM - Bloomingdale Line Swing Bridge
Posted February 28, 2018, by John Marvig (marvigj27 [at] gmail [dot] com)

According to various online sources, this bridge will likely be converted to trail use

CTM - Bloomingdale Line Swing Bridge
Posted October 20, 2017, by Andre Kristopans (andrethebusman99 [at] msn [dot] com)

Bridge abandoned when CTM shut down for lack of traffic - bridge damaged by fire and inoperable