This short tunnel carries the former Chicago, Rock Island & Pacific Railway mainline under Split Rock between Utica and LaSalle

LaSalle, LaSalle County, Illinois

Owner: Iowa Interstate Railroad

Status: Bypassed and Abandoned

Built 1853

by

Clark & Mann

for

Chicago and Rock Island Rail Road Company

Design:
165' bored tunnel with stone lining

Description:
Bored tunnel under Split Rock

Significance:

This concrete encased beam bridge carries the former Chicago, Burlington & Quincy Railroad mainline over 4th Avenue in Mendota

Mendota, LaSalle County, Illinois

Owner: BNSF Railway

Status: In Use

Built 1904

by

Unknown

for

Chicago, Burlington & Quincy Railroad

Design:
1-20' and 1-10' concrete encased beams

Description:
Concrete encased beam bridge over 4th Avenue

Significance:

This abandoned pony truss bridge carries a former Chicago, Rock Island & Pacific Railroad spur over the Illinois & Michigan Canal

Utica, LaSalle County, Illinois

Owner: Illinois Department of Natural Resources

Status: Abandoned

Built 1891

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
88' double intersection Warren pony truss

Description:
Double intersection Warren pony truss bridge over Illinois & Michigan Canal

Significance:

This through plate girder swing bridge once carried a Chicago, Rock Island & Pacific Railway spur over the Illinois & Michigan Canal in Marseilles

Marseilles, LaSalle County, Illinois

Owner: Illinois Department of Natural Resources

Status: Abandoned

Built 1887

by

W.G. Coolidge & Company of Chicago, Illinois

for

Chicago, Rock Island & Pacific Railway

Design:
132' through plate girder swing span

Description:
Through plate girder swing bridge over Illinois & Michigan Canal

Significance:

This deck plate girder bridge carries the former Chicago, Rock Island & Pacific Railroad over the Little Vermillion River in LaSalle

LaSalle, LaSalle County, Illinois

Owner: Iowa Interstate Railroad

Status: In Use

Built 1900 and 1952

by

Lassig Bridge & Iron Works of Chicago and Bethlehem Steel Company of Bethlehem, Pennsylvania

for

Chicago, Rock Island & Pacific Railroad

Design:
1-54' and 2-51' deck plate girder

Description:
Deck plate girder bridge over Little Vermillion River

Significance:

This small concrete arch bridge carries the former Chicago, Rock Island & Pacific Railway over an unnamed creek near Young Street in Marseilles

Marseilles, LaSalle County, Illinois

Owner: CSX Corporation

Status: In Use

Built c. 1900

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
10' concrete arch

Description:
Concrete arch bridge over unnamed creek

Significance:

This pony truss bridge is the northern of three abandoned bridges over the millrace in Marseilles which once carried a Chicago, Rock Island & Pacific Railroad spur to the Nabisco Plant

Marseilles, LaSalle County, Illinois

Owner: Private Owner

Status: Abandoned

Built 1888

by

Lassig Bridge & Iron Works of Chicago

for

Chicago, Rock Island & Pacific Railway

Design:
82' double intersection Warren pony truss

Description:
Double intersection Warren pony truss bridge over Illinois & Michigan Canal

Significance:

This through plate girder bridge carries the former Chicago, Rock Island & Pacific Railroad mainline over Pecumsaugan Creek between LaSalle and Utica

LaSalle, LaSalle County, Illinois

Owner: Iowa Interstate Railroad

Status: In Use

Built c. 1920

by

American Bridge Company of New York

for

Chicago, Rock Island & Pacific Railway

Design:
1-60' and 1-43' through plate girder

Description:
Through plate girder bridge over Pecumsaugan Creek

Significance:

This deck plate girder bridge formerly carried the Illinois Traction System over the Fox River and Champlain Street in Ottawa

Ottawa, LaSalle County, Illinois

Owner: City of Ottawa

Status: Open to Pedestrian Traffic

Built 1930

by

Mississippi Valley Structural Steel Company of Decatur, Illinois

for

Illinois Traction System

Design:
8-58' deck plate girders

Description:
Deck plate girder bridge over Fox River and Champlain Street

Significance:

This large Pratt through truss lift bridge carries the former Chicago, Burlington & Quincy Railroad over the Illinois River in Ottawa

Ottawa, LaSalle County, Illinois

Owner: Illinois Railway

Status: In Use

Built 1898 and reconstructed 1933

by

King Bridge Company of Cleveland, Ohio and American Bridge Company of New York

for

Chicago, Burlington & Quincy Railroad

Design:
4-176' Pratt through trusses with lift span, 73' deck plate girder and timber pile trestle

Description:
Pratt through truss lift bridge over Illinois River

Significance: