This large trough floor steel stringer viaduct carries the Union Pacific North, Northwest and West Lines over Kinzie Street and Clinton Street

Near West Side, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1910

by

American Bridge Company of New York and Bates & Rogers Construction Company of Chicago, Illinois

for

Chicago & North Western Railway

Design:
8 span trough floor steel stringer

Description:
Trough floor steel stringer bridge over Kinzie Street and Clinton Street

Significance:

This iconic Strauss trunnion bascule bridge carries the original Chicago & North Western Railway line over the North Branch of the Chicago River

Near North Side, Chicago, Cook County, Illinois to Near West Side, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: Closed to Traffic

Built 1908

by

Toledo-Massillon Bridge Company of Toledo, Ohio and Great Lakes Dredge & Dock Company of Chicago, Illinois

for

Chicago & North Western Railway

Design:
170' Warren through truss Strauss trunnion bascule and 27' deck plate girder

Description:
Strauss trunnion bascule bridge over North Branch Chicago River

Significance:

This through plate girder bridge carries the Union Pacific North Line over Armitage Avenue in the Logan Square neighborhood of Chicago

Logan Square, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1899

by

Lassig Bridge & Iron Works of Chicago

for

Chicago & North Western Railway

Design:
43' and 2-16' through plate girders

Description:
Through plate girder bridge over Armitage Avenue

Significance:

This concrete encased beam bridge carries the Metra Electric District over Flossmoor Road

Flossmoor, Cook County, Illinois

Owner: Canadian National Railway

Status: In Use

Built 1923

by

Bates & Rogers Construction Company of Chicago, Illinois

for

Illinois Central Railroad

Design:
2-20' concrete encased beam and 1-10' concrete slab

Description:
Concrete encased beam bridge over Flossmoor Road

Significance:

This through plate girder bridge carries the BNSF Railway across Marshall Boulevard

South Lawndale, Chicago, Cook County, Illinois

Owner: BNSF Railway

Status: In Use

Built 1899

by

Lassig Bridge & Iron Works of Chicago

for

Chicago, Burlington & Quincy Railroad

Design:
1-55', 2-17' through plate girders

Description:
Through plate girder bridge over Marshall Boulevard

Significance:

This trough floor steel stringer bridge carries the Union Pacific West line over Keystone Avenue in River Forest

River Forest, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1914

by

Unknown

for

Chicago & North Western Railway

Design:
2-24' and 2-10' trough floor steel stringer

Description:
Trough floor steel stringer bridge over Keystone Avenue

Significance:

This through plate girder bridge across Seeley Avenue is one of several similar structures along the former Grand Trunk Western 49th Street Line

New City, Chicago, Cook County, Illinois

Owner: Canadian National Railway

Status: Abandoned

Built 1907

by

American Bridge Company of New York

for

Grand Trunk Western Railroad

Design:
45' through plate girder

Description:
Through plate girder bridge over Seeley Avenue

Significance:

This through plate girder bridge carries the Union Pacific Rockwell Subdivision over Harrison Street

Near West Side, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1897

by

Lassig Bridge & Iron Works of Chicago

for

Chicago & North Western Railway and Pittsburgh, Cincinnati, Chicago & St. Louis Railroad

Design:
70' through plate girder

Description:
Through plate girder bridge over Harrison Street

Significance:

This concrete slab bridge carries the Bloomingdale (606) Trail over California Avenue in the West Town neighborhood of Chicago

West Town, Chicago, Cook County, Illinois

Owner: City of Chicago

Status: Open to Pedestrian Traffic

Built 1914

by

Chicago, Milwaukee & St. Paul Railway

Design:
2-25' and 2-8' concrete slabs

Description:
Concrete slab bridge over California Avenue

Significance:

This through plate girder bridge carries the Union Pacific Cragin Industrial Lead over Wrightwood Avenue

Hermosa, Chicago, Cook County, Illinois to Belmont-Cragin, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1902

by

American Bridge Company of New York

for

Chicago & North Western Railway

Design:
49' through plate girder and 2-11' steel stringer

Description:
Through plate girder bridge over Wrightwood Avenue

Significance: