This bobtail through truss swing span carries the BNSF mainline over the Chicago Sanitary and Ship Canal in Lemont

Lemont, Cook County, Illinois

Owner: BNSF Railway

Status: In Use

Built 1898

by

Keystone Bridge Company of Pittsburgh, Pennsylvania and MacArthur Brothers Company of Chicago, Illinois

for

Atchison, Topeka & Santa Fe Railway

Design:
398' bobtail Pratt through truss swing span

Description:
Bobtail Pratt through truss swing span over Chicago Sanitary and Ship Canal

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 once carried the Union Pacific North Line over Irving Park Road in the North Center neighborhood of Chicago

North Center, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: Replaced by a new bridge

Built 1896

by

Lassig Bridge & Iron Works of Chicago

for

Chicago & North Western Railway

Design:
2-53' through plate girders

Description:
Through plate girder bridge over Illinois Route 19 (Irving Park Road)

Significance:

This iconic through truss bascule bridge carries Lake Street and the CTA Pink and Green Lines over the South Branch Chicago River

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

Owner: City of Chicago

Status: In Use

Built 1916

by

American Bridge Company of New York; FitzSimons & Connell Dredge & Dock Company of Chicago, Illinois and Ketler-Elliott Erection Company of Chicago, Illinois

for

City of Chicago

Design:
245' Double deck Warren through truss bascule (double leaf fixed trunnion)

Description:
Double leaf Warren through truss bascule bridge over South Branch Chicago River

Significance:

This standard concrete slab bridge carries the CTA Purple Line over Simpson Street in Evanston

Evanston, Cook County, Illinois

Owner: Chicago Transit Authority

Status: In Use

Built 1930

by

Unknown

for

Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
2-25' concrete slabs

Description:
Concrete slab bridge over Simpson Street

Significance:

This unique counterbalanced deck plate girder swing bridge crosses the North Branch Chicago River south of Cortland Street

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

Owner: City of Chicago

Status: Abandoned

Built 1899

by

American Bridge Works of Chicago, Illinois

for

Chicago, Milwaukee & St. Paul Railway

Design:
175' counterbalanced deck plate girder swing span and 70' deck plate girder

Description:
Counterbalanced deck plate girder swing bridge over North Branch Chicago River

Significance:

This standard concrete slab bridge carries the Metra Milwaukee District North over Foster Avenue

Forest Glen, Chicago, Cook County, Illinois

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1929

by

Chicago, Milwaukee & St. Paul Railway

Design:
2-26' and 2-12' concrete slab

Description:
Concrete slab bridge over Foster Avenue

Significance:

This through plate girder bridge crosses Washington Boulevard in River Forest

River Forest, Cook County, Illinois

Owner: Canadian National Railway

Status: In Use

Built c. 1910

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin

for

Minneapolis, St. Paul & Sault Ste. Marie Railroad

Design:
1-40' and 2-30' through plate girders

Description:
Through plate girder bridge over Washington Boulevard

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 standard concrete slab bridge carries the Metra Milwaukee District North over Lawrence Avenue

Portage Park, Chicago, Cook County, Illinois to Forest Glen, Chicago, Cook County, Illinois

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1927

by

Chicago, Milwaukee & St. Paul Railway

Design:
2-28' and 2-10' concrete slab

Description:
Concrete slab bridge over Lawrence Avenue

Significance: