Rock Valley once had two Chicago, Milwaukee & St. Paul Railway lines, including a branch line along the Big Sioux River and an east/west mainline. Today, the branch line is owned by D&I Railroad, while the main line has been abandoned.
Random Bridges
DAIR Big Sioux River Bridge (Canton)
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DAIR Big Sioux River Bridge (Canton)
(Chicago, Milwaukee & St. Paul Railway Bridge #T-648)
This Pratt through truss bridge once crossed the Big Sioux River in Canton
Canton, Lincoln County, South Dakota to Rock Valley, Sioux County, Iowa
Owner: D&I Railroad
Status: Destroyed by Flooding
Built 1917 and 1931 using secondhand spans fabricated 1909 and 1898
by
Unknown
for
Chicago, Milwaukee & St. Paul Railway
Design:
136' Pratt through truss, 72' deck plate girder and trestle
Description:
Lost Pratt through truss bridge over Big Sioux River
Significance:
DAIR Big Sioux River Bridge (Fairview)
DAIR Big Sioux River Bridge (Fairview)
(Chicago, Milwaukee & St. Paul Railway Bridge #T-618)
This Warren pony truss bridge crosses the Big Sioux River at Fairview
Fairview, Lincoln County, South Dakota to Rock Valley, Sioux County, Iowa
Owner: D&I Railroad
Status: In Use
Built 1932
by
Lakeside Bridge Company of North Milwaukee, Wisconsin and Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin
for
Chicago, Milwaukee, St. Paul & Pacific Railroad
Design:
135' Warren pony truss and 2-65' through plate girders
Description:
Warren pony truss bridge over Big Sioux River
Significance:
DAIR Big Sioux River Bridge (Hudson)
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DAIR Big Sioux River Bridge (Hudson)
(Chicago, Milwaukee & St. Paul Railway Bridge #T-594)
This Warren pony truss bridge crosses the Big Sioux River in Hudson
Hudson, Lincoln County, South Dakota to Rock Valley, Sioux County, Iowa
Owner: D&I Railroad
Status: In Use
Built 1932
by
Lakeside Bridge Company of North Milwaukee, Wisconsin
for
Chicago, Milwaukee, St. Paul & Pacific Railroad
Design:
138' Warren pony truss and steel stringer
Description:
Warren pony truss bridge over Big Sioux River
Significance:
DAIR Big Sioux River Bridge (Oak Ridge)
DAIR Big Sioux River Bridge (Oak Ridge)
(Chicago, Milwaukee & St. Paul Railway Bridge #T-598)
This Pratt pony truss bridge crosses the Big Sioux River in a rural area north of Hudson
Fairview, Lincoln County, South Dakota to Rock Valley, Sioux County, Iowa
Owner: D&I Railroad
Status: In Use
Built 1932 using spans fabricated 1900 and 1904
by
Lassig Bridge & Iron Works of Chicago and Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin
for
Chicago, Milwaukee & St. Paul Railway
Design:
123' Pratt pony truss, 50' deck plate girder and timber pile trestle
Description:
Pratt pony truss bridge over Big Sioux River
Significance: