This concrete encased beam bridge carries the Union Pacific Northwest Line over Montrose Avenue

Irving Park, Chicago, Cook County, Illinois to Portage Park, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1917

by

Chicago & North Western Railway

Design:
2-40' concrete encased beam and 2-28' concrete slab

Description:
Concrete encased beam bridge over Montrose Avenue

Significance:

This unusual through plate girder bridge carries the former St. Charles Air Line over Clark Street

Near South Side, Chicago, Cook County, Illinois

Owner: Canadian National Railway

Status: In Use

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:
1-62' and 1-28' through plate girder

Description:
Through plate girder bridge over Clark Street

Significance:

This unusual through plate girder bridge carries the Union Pacific North Line over Addison Street and Lincoln Avenue in the North Center neighborhood of Chicago

North Center, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1959

by

Unknown

for

Chicago & North Western Railway

Design:
5 span flared through plate girder

Description:
Through plate girder bridge over Addison Street and Lincoln 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:

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:

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 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 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 trough floor steel stringer bridge carries the Union Pacific North and Northwest Lines across Racine Avenue near Augusta Boulevard

West Town, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1910

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin

for

Chicago & North Western Railway

Design:
35' trough floor steel stringer

Description:
Trough floor steel stringer bridge over Racine Avenue

Significance:

This concrete slab bridge carries the Bloomingdale (606) Trail over Campbell 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 Campbell Avenue

Significance: