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 trough floor steel stringer bridge carries the Union Pacific West line over Franklin 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 Franklin Avenue

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 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 once carried the CTA Red and Purple Lines over Ainslie Street

Uptown, Chicago, Cook County, Illinois

Owner: Chicago Transit Authority

Status: Replaced by a new bridge

Built 1922

by

Chicago, Milwaukee & St. Paul Railway and Northwestern Elevated Railroad

Design:
2-25' and 2-10' concrete slabs

Description:
Concrete slab bridge over Ainslie Street

Significance:

This deck plate girder and concrete slab bridge crosses Front Street and the Old Plank Road Trail in Matteson

Matteson, Cook County, Illinois

Owner: Canadian National Railway

Status: In Use

Built 1923

by

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

for

Illinois Central Railroad

Design:
37' deck plate girder, 34' concrete encased beam and 2-25' concrete slabs

Description:
Deck plate girder bridge over Front Street and Old Plank Road Trail

Significance:

This steel stringer bridge crosses Illinois Route 43 (Harlem Avenue) in Lyons

Lyons, Cook County, Illinois to Forest View, Cook County, Illinois

Owner: BNSF Railway

Status: In Use

Built 1931

by

Unknown

for

Atchison, Topeka & Santa Fe Railway

Design:
1-48' and 2-29' steel stringer

Description:
Steel stringer bridge over Illinois Route 43 (Harlem Avenue)

Significance:

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

West Town, Chicago, Cook County, Illinois to Humboldt Park, Chicago, Cook County, Illinois

Owner: City of Chicago

Status: Open to Pedestrian Traffic

Built 1914

by

Chicago, Milwaukee & St. Paul Railway

Design:
12 span concrete slab

Description:
Concrete slab bridge over Humboldt Boulevard

Significance:

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

Lincoln Square, 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

Design:
1-43' and 2-20' through plate girders

Description:
Through plate girder bridge over Lawrence Avenue

Significance:

This through plate girder bridge crosses Chicago Avenue in River Forest

River Forest, Cook County, Illinois

Owner: Canadian National Railway

Status: In Use

Built c. 1910

by

Unknown

for

Minneapolis, St. Paul & Sault Ste. Marie Railroad

Design:
42' and 2-20' through plate girders

Description:
Through plate girder bridge over Chicago Avenue

Significance: