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Lake Street Bridge

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Photos 

Oblique View

This double-deck bridge carries automobile and elevated train traffic.

Photo taken by J.R. Manning in May 2010

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Map 

Street View 

Facts 

Overview
Bascule bridge over South Branch Chicago River on Lake Street and CTA Green/Pink Lines in Chicago
Location
Chicago, Cook County, Illinois
Status
Open to traffic
History
Built 1916
Railroads
- Chicago Surface Lines (CSL)
- Chicago Transit Authority (CTA)
- Rapid Transit
Design
Bascule Through truss
Dimensions
Length of largest span: 245.0 ft.
Total length: 332.9 ft.
Deck width: 38.0 ft.
Vertical clearance above deck: 16.0 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+41.88574, -87.63771   (decimal degrees)
41°53'09" N, 87°38'16" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/447091/4637286 (zone/easting/northing)
Quadrangle map:
Chicago Loop
Inventory numbers
IL 016-6029 (Illinois bridge number)
BH 15143 (Bridgehunter.com ID)
Inspection (as of 10/2011)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 39.0 (out of 100)
Average daily traffic (as of 2010)
8,700

Update Log 

  • January 21, 2016: New photos from Royce and Bobette Haley
  • July 14, 2015: New photos from John Marvig
  • May 24, 2014: New photos from Roger Deschner
  • January 10, 2014: Updated by Roger Deschner: Added category "Double decker"
  • July 25, 2013: Updated by Luke Harden: Added categories "Chicago Transit Authority", "Railroad", "Rail-and-Road"
  • September 30, 2012: New photo from Steve Conro
  • November 22, 2011: Updated by Frank Hicks: Refined design description
  • May 10, 2010: New photos from J.R. Manning
  • May 9, 2010: New photo from J.R. Manning

Related Bridges 

Sources 

  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • Frank Hicks
  • Steve Conro - sconro [at] yahoo [dot] com
  • Douglas Butler
  • Historicbridges.org - by Nathan Holth
  • Roger Deschner - rogerdeschner [at] gmail [dot] com
  • John Marvig - marvigj27 [at] gmail [dot] com
  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com

Comments 

Lake Street Bridge
Posted April 2, 2010, by Roger Deschner (rogerd [at] uic [dot] edu)

This bascule bridge also carries two tracks of the Chicago Transit Authority "L" green and pink line trains, elevated above Lake Street on this rather remarkable two-level bridge.