This large Strauss trunnion bascule bridge carries the Union Pacific North Line over the North Branch Chicago River

Logan Square, Chicago, Cook County, Illinois to Lincoln Park, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1916

by

American Bridge Company of New York; Great Lakes Dredge & Dock Company of Chicago, Illinois and Kelly-Atkinson Construction Company of Chicago, Illinois

for

Chicago & North Western Railway

Design:
180' Warren through truss Strauss trunnion bascule span and deck plate girder

Description:
Strauss trunnion bascule bridge over North Branch Chicago River

Significance:

This concrete slab bridge carries the Bloomingdale (606) Trail over Maplewood 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:
2-20' and 2-10' concrete slabs

Description:
Concrete slab bridge over Maplewood Avenue

Significance:

This through plate girder bridge carries the Metra Milwaukee District North over Elston Avenue

Forest Glen, Chicago, Cook County, Illinois

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1928

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-49' and 2-25' through plate girder

Description:
Through plate girder bridge over Elston Avenue

Significance:

This concrete arch bridge crosses the West Fork North Branch Chicago River near Techny Road

Northbrook, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1911

by

Chicago & North Western Railway

Design:
24' concrete arch

Description:
Concrete arch bridge over West Fork North Branch Chicago River

Significance:

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 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 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 Bloomingdale Trail (606 Trail) over Marshfield Avenue

West Town, Chicago, Cook County, Illinois to Logan Square, Chicago, Cook County, Illinois

Owner: City of Chicago

Status: Open to Pedestrian Traffic

Built 1914

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-20' and 2-12' through plate girder

Description:
Through plate girder bridge over Marshfield Avenue

Significance:

This through plate girder bridge carries the Metra Milwaukee District North Line over Addison Street in the Irving Park neighborhood of Chicago

Irving Park, Chicago, Cook County, Illinois

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1899

by

Lassig Bridge & Iron Works of Chicago

for

Chicago, Milwaukee & St. Paul Railway

Design:
76' through plate girder

Description:
Through plate girder bridge over Addison Street

Significance:

This concrete slab bridge carries the Bloomingdale (606) Trail over Central Park Avenue in the Humboldt Park neighborhood of Chicago

Humboldt Park, Chicago, Cook County, Illinois to Logan Square, Chicago, Cook County, Illinois

Owner: City of Chicago

Status: Open to Pedestrian Traffic

Built 1914

by

Chicago, Milwaukee & St. Paul Railway

Design:
2-20' and 2-10' concrete slabs

Description:
Concrete slab bridge over Central Park Avenue

Significance: