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 deck plate girder bridge carries the Metra Milwaukee District North Line over the North Branch Chicago River in Edgebrook Woods

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

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1910

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-45' deck plate girder

Description:
Deck plate girder bridge over Chicago River

Significance:

This unique counterbalanced swing span once carried the Milwaukee Road over the North Branch Chicago River at Goose Island

Near North Side, Chicago, Cook County, Illinois

Owner: City of Chicago

Status: Open to Pedestrian Traffic

Built 1902

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin

for

Chicago, Milwaukee & St. Paul Railway

Design:
230' counterbalanced Pratt through truss swing bridge

Description:
Counterbalanced through truss swing bridge over North Branch Chicago River

Significance:

This concrete slab bridge crosses Oak Park Avenue in Berwyn

Berwyn, Cook County, Illinois

Owner: Canadian National Railway

Status: In Use

Built 1912 and 1936

by

Unknown

for

Illinois Central Railroad

Design:
2-23' concrete slab and 2-8'x9' concrete box culvert

Description:
Concrete slab bridge over Oak Park Avenue

Significance:

This through plate girder bridge once carried the St. Charles Air Line over Wabash Avenue north of 16th Street

Near South Side, Chicago, Cook County, Illinois

Owner: Canadian National Railway

Status: Replaced by a new bridge

Built 1899

by

Detroit Bridge & Iron Works of Detroit, Michigan and J.S. Patterson Construction Company of Chicago, Illinois

for

St. Charles Air Line Railroad

Design:
61' through plate girder and 2-22' deck plate girders

Description:
Through plate girder bridge over Wabash Avenue

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 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 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 through plate girder bridge once carried the Union Pacific North Line over Foster 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 Foster Avenue (US Highway 41)

Significance:

This large through plate girder bridge crosses the Des Plaines River in downtown Des Plaines

Des Plaines, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1910 and 1929

by

American Bridge Company of New York

for

Chicago & North Western Railway

Design:
2-84', 1-60' and 1-50' through plate girder

Description:
Through plate girder bridge over Des Plaines River

Significance: