This large double deck through truss swing bridge carries the former Chicago, Rock Island & Pacific Railway and Fort Armstrong Road over the Mississippi River

Davenport, Scott County, Iowa to Rock Island, Rock Island County, Illinois

Owner: United States Army

Status: In Use

Built 1896

by

Phoenix Bridge Company of Phoenixville, Pennsylvania

for

United States Government and Chicago, Rock Island & Pacific Railway

Design:
366' Baltimore through truss swing span, 2-258', 3-217' Baltimore through trusses, 1-193' and 1-99' Pratt through trusses

Description:
Baltimore through truss swing bridge over Mississippi River

Significance:

This massive double deck through truss swing bridge carries the Keokuk Junction Railway and former US Route 136 over the Mississippi River

Keokuk, Lee County, Iowa to Hamilton, Hancock County, Illinois

Owner: City of Keokuk

Status: In Use

Built 1917

by

Strobel Structural Steel Company of Chicago, Illinois

for

Keokuk & Hamilton Bridge Company

Design:
380' Pratt through truss swing span, Parker through truss, Pratt through truss and Warren deck truss

Description:
Double deck through truss swing bridge over Mississippi River

Significance:

This massive deck plate girder bridge carries the former Wabash Railroad over the Sangamon River and Illinois Route 48 on the south side of Decatur

Decatur, Macon County, Illinois

Owner: Norfolk Southern Railway

Status: In Use

Built 1927

by

American Bridge Company of New York and Carmichael-Cryder Company of St. Louis, Missouri

for

Wabash Railroad

Design:
4-106', 4-90', 1-55' and 3-50' deck plate girders and 2-18', 2-16' concrete slabs

Description:
Deck plate girder bridge over Sangamon River and Illinois Route 48

Significance:

This massive deck plate girder bridge carries the former Wabash Railroad over the Sangamon River and Illinois Route 48 on the south side of Decatur

Decatur, Macon County, Illinois

Owner: Norfolk Southern Railway

Status: In Use

Built 1927

by

American Bridge Company of New York and Carmichael-Cryder Company of St. Louis, Missouri

for

Wabash Railroad

Design:
4-106', 4-90', 1-55' and 3-50' deck plate girders and 2-18', 2-16' concrete slabs

Description:
Deck plate girder bridge over Sangamon River and Illinois Route 48

Significance:

This bobtail Warren through truss swing bridge was jointly built between the Omaha Road and the Milwaukee Road to cross the Mississippi River

St. Paul, Ramsey County, Minnesota

Owner: Union Pacific Railroad

Status: Open to Traffic

Built 1915

by

Milwaukee Bridge Company of Milwaukee, Wisconsin and others

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
239' bobtail Warren through truss swing span and deck plate girder

Description:
Bobtail Warren through truss swing bridge over Mississippi River

Significance:

This bobtail Warren through truss swing bridge was jointly built between the Omaha Road and the Milwaukee Road to cross the Mississippi River

St. Paul, Ramsey County, Minnesota

Owner: Union Pacific Railroad

Status: Open to Traffic

Built 1915

by

Milwaukee Bridge Company of Milwaukee, Wisconsin and others

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
239' bobtail Warren through truss swing span and deck plate girder

Description:
Bobtail Warren through truss swing bridge over Mississippi River

Significance:

This large Pratt through truss vertical lift bridge carries the former Kankakee & Seneca Railroad over the Illinois River at Seneca

Seneca, Grundy County, Illinois

Owner: CSX Corporation

Status: In Use

Built 1893, 1916 and 1932

by

Union Bridge Company of Athens, Pennsylvania; Bethlehem Steel Company of Bethlehem, Pennsylvania and American Bridge Company of New York

for

Kankakee & Seneca Railroad

Design:
2-152' and 1-150' Pratt through truss lift bridge and 2-79' deck plate girder

Description:
Pratt through truss vertical lift bridge over Illinois River

Significance:

This trough floor steel stringer bridge carries the Union Pacific North and Northwest Lines over Des Plaines Street

West Town, 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:
2-26' and 2-17' trough floor steel stringer

Description:
Trough floor steel stringer bridge over Des Plaines Street

Significance:

This trough floor steel stringer bridge carries the Union Pacific West Line over Des Plaines Street

West Town, 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:
2-26' and 2-17' trough floor steel stringer; 1-56', 2-17' trough floor through plate girder

Description:
Trough floor steel stringer bridge over Des Plaines Street

Significance:

This trough floor steel stringer bridge carries the Union Pacific North, Northwest and West Lines over Fulton Street at Milwaukee Avenue

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:
2-26' and 2-17' trough floor steel stringer

Description:
Trough floor steel stringer bridge over Fulton Street

Significance:

This large trough floor steel stringer bridge carries the Metra Union Pacific lines over Jefferson Street and Hubbard Street

West Town, 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:
12 span trough floor steel stringer

Description:
Trough floor steel stringer bridge over Jefferson Street and Hubbard Street

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 large deck plate girder bridge carries the former Chicago & Alton Railroad across the Mackinaw River south of Lexington

Lexington, McLean County, Illinois

Owner: Union Pacific Railroad

Status: In Use

Built 1924

by

Mt. Vernon Bridge Company of Mt. Vernon, Ohio and Strobel Structural Steel Company of Chicago, Illinois

for

Chicago & Alton Railroad

Design:
2-81' and 1-40' deck plate girders

Description:
Deck plate girder bridge over Mackinaw River

Significance:

This trough floor steel stringer bridge carries the Union Pacific North, Northwest and West Lines over Milwaukee Avenue

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:
2-23' and 2-14' trough floor steel stringer

Description:
Trough floor steel stringer bridge over Milwaukee Avenue

Significance:

This through plate girder bridge crosses the Metra Line to Union Station north of Ogilvie Transportation Center

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:
90' through plate girder and 4 span deck plate girder

Description:
Through and deck plate girder bridge over Metra

Significance: