This standard concrete slab bridge carries the CTA Purple Line over Colfax 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' and 2-10' concrete slab

Description:
Concrete slab bridge over Colfax Street

Significance:

This small deck plate girder bridge once carried the St. Charles Air Line over an alley between State Street and Wabash Avenue

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:
27' deck plate girder

Description:
Deck plate girder bridge over Alley

Significance:

This through plate girder bridge carries the Union Pacific Rockwell Subdivision over Warren Boulevard

Near West Side, 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 and Pittsburgh, Cincinnati, Chicago & St. Louis Railroad

Design:
70' through plate girder

Description:
Through plate girder bridge over Warren Boulevard

Significance:

This concrete encased beam bridge carries the Metra Electric District over the former Elgin, Joliet & Eastern Railway 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:
2-37' concrete encased beam

Description:
Concrete encased beam bridge over Canadian National Railway

Significance:

This through plate girder bridge carries the Metra Southwest Service over 63rd Street

Englewood, Chicago, Cook County, Illinois

Owner: Regional Transportation Authority (Metra)

Status: In Use

Built 1903

by

American Bridge Company of New York

for

Chicago & Western Indiana Railroad

Design:
1-44', 1-36' through plate girder (east tracks); 70' through plate girder (west tracks)

Description:
Through plate girder bridge over 63rd Street

Significance:

This through plate girder bridge across Wood Street is one of several similar structures along the former Grand Trunk Western 49th Street Line

New City, Chicago, Cook County, Illinois

Owner: Canadian National Railway

Status: Abandoned

Built 1907

by

American Bridge Company of New York

for

Grand Trunk Western Railroad

Design:
1-44' and 2-11' through plate girder

Description:
Through plate girder bridge over Wood Street

Significance:

This iconic through truss bascule bridge carries Wells Street and the CTA Brown and Purple Lines over the Chicago River

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

Owner: City of Chicago

Status: In Use

Built 1922

by

Fort Pitt Bridge Company of Pittsburgh, Pennsylvania; FitzSimons & Connell Dredge & Dock Company of Chicago, Illinois and Ketler-Elliott Erection Company of Chicago, Illinois

for

City of Chicago

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

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

Significance:

This steel stringer bridge crosses Davis Street along US Highway 14 in Arlington Heights

Arlington Heights, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1929 and 1930

by

Clinton Bridge Works of Clinton, Iowa; American Bridge Company of New York; Unknown and Peppard & Burrill of Minneapolis, Minnesota

for

Chicago & North Western Railway

Design:
32' steel stringer

Description:
Steel stringer bridge over Davis Street

Significance:

This through plate girder bridge carries the Union Pacific Northwest Line over Armitage Avenue in the Logan Square neighborhood of Chicago

Logan Square, Chicago, Cook County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1899

by

Lassig Bridge & Iron Works of Chicago

for

Chicago & North Western Railway

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

Description:
Through plate girder bridge over Armitage Avenue

Significance:

This through plate girder bridge carries the Union Pacific Rockwell Subdivision over Madison Street

Near West Side, 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 and Pittsburgh, Cincinnati, Chicago & St. Louis Railroad

Design:
1-48' and 2-15' through plate girders

Description:
Through plate girder bridge over Madison Street

Significance: