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 crosses Illinois Route 56 (Butterfield Road) near Interstates 290 and 294 in Hillside

Hillside, Cook County, Illinois

Owner: Canadian National Railway

Status: In Use

Built 1958

by

Unknown

for

Illinois Central Railroad

Design:
2-63' and 2-45' through plate girders

Description:
Through plate girder bridge over Illinois Route 56 (Butterfield Road)

Significance:

This through plate girder bridge once carried the Union Pacific North Line over Balmoral Avenue in the Lincoln Square neighborhood of Chicago

Lincoln Square, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: Replaced by a new bridge

Built 1897

by

Lassig Bridge & Iron Works of Chicago

for

Chicago & North Western Railway

Design:
70' through plate girder

Description:
Through plate girder bridge over Balmoral Avenue

Significance:

This through plate girder bridge across Hermitage 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 Hermitage Avenue

Significance:

This through plate girder bridge carries the Union Pacific Rockwell Subdivision over Warren Boulevard

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 Warren Boulevard

Significance:

This through plate girder bridge once carried the Union Pacific North Line over Winnemac Avenue in the Lincoln Square neighborhood of Chicago

Lincoln Square, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: Replaced by a new bridge

Built 1897

by

Lassig Bridge & Iron Works of Chicago

for

Chicago & North Western Railway

Design:
70' through plate girder

Description:
Through plate girder bridge over Winnemac Avenue

Significance:

This through plate girder bridge carries the Union Pacific North Line over Belmont Avenue in the North Center neighborhood of Chicago

North Center, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use, Scheduled For Replacement

Built 1896

by

Lassig Bridge & Iron Works of Chicago

for

Chicago & North Western Railway

Design:
70' through plate girder

Description:
Through plate girder bridge over Belmont Avenue

Significance:

This through plate girder bridge carries the Union Pacific Railroad Cragin Subdivision over Irving Park Road

Irving Park, Chicago, Cook County, Illinois to Portage Park, 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:
1-59' and 2-23' through plate girder

Description:
Through plate girder bridge over Irving Park Road

Significance:

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

River Forest, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1912

by

American Bridge Company of New York

for

Chicago & North Western Railway

Design:
2-27' and 2-10' trough floor steel stringer

Description:
Trough floor steel stringer bridge over Ashland Avenue

Significance:

This large quadrangular through truss bridge crosses the CPKC line in Northbrook

Northbrook, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1912

by

Fort Pitt Bridge Works of Pittsburgh, Pennsylvania

for

Chicago & North Western Railway

Design:
140' quadrangular lattice through truss

Description:
Quadrangular lattice through truss bridge over CPKC

Significance: