This Pratt through truss bridge once carried a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line across the Big Sioux River between Sioux City and North Sioux City

Sioux City, Woodbury County, Iowa to North Sioux City, South Dakota

Owner: BNSF Railway

Status: Collapsed Due to Flooding

Built 1907 using secondhand trusses fabricated 1900; Approaches Added 1931

by

Lassig Bridge & Iron Works of Chicago, Illinois and American Bridge Company of New York

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-152' Pratt through truss and 1-77', 1-40' deck plate girders

Description:
Pratt through truss bridge over Big Sioux River

Significance:

This deck plate girder bridge carries a former Chicago & North Western Railway mainline over South Ravine alongside Interstate 29 in Sioux City

Sioux City, Woodbury County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1920 using a span fabricated c. 1895

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago & North Western Railway

Design:
52' deck plate girder and timber pile trestle

Description:
Deck plate girder bridge over South Ravine

Significance: