This deck plate girder bridge carries the former Chicago & North Western Railway mainline over the Baraboo River alongside Wisconsin Highway 136 northwest of Rock Springs

Rock Springs, Sauk County, Wisconsin

Owner: State of Wisconsin (Operated by Wisconsin & Southern Railroad)

Status: In Use

Built 1899

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago & North Western Railway

Design:
1-75' and 1-50' deck plate girder and timber pile trestle

Description:
Deck plate girder bridge over Baraboo River

Significance:

This large deck truss and deck plate girder bridge carries the former Chicago & North Western Railway mainline over Lake Wisconsin (Wisconsin River) in Merrimac and has seen numerous alterations over the years

Merrimac, Sauk County, Wisconsin to Okee, Columbia County, Wisconsin

Owner: State of Wisconsin (Operated by Wisconsin & Southern Railroad)

Status: In Use

Built 1895 and 1930; reconstructed 1930 and 2023-24

by

Lassig Bridge & Iron Works of Chicago, Illinois and Unknown

for

Chicago & North Western Railway

Design:
Double intersection warren deck truss and deck plate girder

Description:
Double intersection Warren deck truss and deck plate girder bridge over Lake Wisconsin (Wisconsin River)

Significance:

This Warren deck truss bridge is the southern bridge carrying the former Chicago & North Western Railway mainline over the Baraboo River in Ablemans Gorge near Rock Springs

Rock Springs, Sauk County, Wisconsin

Owner: State of Wisconsin (Operated by Wisconsin & Southern Railroad)

Status: In Use

Built 1899

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago & North Western Railway

Design:
1-124' Warren deck truss and 1-46' and 1-29' through plate girders

Description:
Warren deck truss bridge over Baraboo River

Significance:

This large Pratt deck truss bridge carries the former Chicago, Milwaukee, St. Paul & Pacific Railroad mainline over the Wisconsin River and Broadway (Wisconsin Highway 13/16) in Wisconsin Dells

Wisconsin Dells, Columbia County, Wisconsin to Wisconsin Dells, Sauk County, Wisconsin

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1903 and 1955

by

Phoenix Bridge Company of Phoenixville, Pennsylvania; H.H. Mass Construction Company of Algonquin, Illinois and Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-166' Pratt deck trusses, 1-90' and 1-51' deck plate girders

Description:
Pratt deck truss bridge over Wisconsin River and Broadway (Wisconsin Highway 13/16)

Significance:

This deck plate girder bridge is the northern bridge carrying the former Chicago & North Western Railway mainline over the Baraboo River in Ablemans Gorge near Rock Springs

Rock Springs, Sauk County, Wisconsin

Owner: State of Wisconsin (Operated by Wisconsin & Southern Railroad)

Status: In Use

Built 1899

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago & North Western Railway

Design:
1-81', 1-52', 1-49' deck plate girders

Description:
Deck plate girder bridge over Baraboo River

Significance:

This deck plate girder bridge carries the former Chicago & North Western Railway mainline over Baraboo Street in Merrimac

Merrimac, Sauk County, Wisconsin

Owner: State of Wisconsin (Operated by Wisconsin & Southern Railroad)

Status: In Use

Built 1896

by

Lassig Bridge & Iron Works of Chicago, Illinois and John A. & George Garden of Romeoville, Illinois

for

Chicago & North Western Railway

Design:
32' deck plate girder

Description:
Deck plate girder bridge over Baraboo Street

Significance:

This through plate girder bridge carries the Mid-Continent Railway Museum tracks over the Baraboo River near North Freedom

North Freedom, Sauk County, Wisconsin

Owner: Mid-Continent Railway Museum

Status: In Use

Built 1929 and 2018

by

American Bridge Company of New York

for

Chicago & North Western Railway

Design:
84' through plate girder and 2-45' steel stringers

Description:
Through plate girder bridge over Baraboo River

Significance:

This deck plate girder bridge carries the former Chicago & North Western Railway mainline over the Baraboo River in Reedsburg

Reedsburg, Sauk County, Wisconsin

Owner: State of Wisconsin (Operated by Wisconsin & Southern Railroad)

Status: In Use and Open to Pedestrians

Built 1898

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago & North Western Railway

Design:
3-75' deck plate girders

Description:
Deck plate girder bridge over Baraboo River

Significance:

This Pratt through truss bridge once carries the former Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road) Prairie du Sac Branch over the east channel of the Wisconsin River at Sauk City

Sauk City, Dane County, Wisconsin to Sauk City, Sauk County, Wisconsin

Owner: Dane and Sauk Counties

Status: Open to Pedestrian Traffic

Built 1910 using spans fabricated 1891 and 1892

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-147' Pratt through trusses, 2-45' through plate girders and timber pile trestle

Description:
Pratt through truss bridge over east channel of Wisconsin River

Significance:

This deck plate girder bridge carries the former Chicago & North Western Railway mainline over Hill Street in Baraboo

Baraboo, Sauk County, Wisconsin

Owner: State of Wisconsin (Operated by Wisconsin & Southern Railroad)

Status: In Use

Built 1893 and 1896

by

Lassig Bridge & Iron Works of Chicago, Illinois and John A. & George Garden of Romeoville, Illinois

for

Chicago & North Western Railway

Design:
34' deck plate girder

Description:
Deck plate girder bridge over Hill Street

Significance: