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IAIS - 420th Street Bridge

Pottawattamie County, Iowa

Photos 

IAIS 420th Street Bridge

Overview

Photo taken by John Marvig in October 2018

Enlarge

BH Photo #437555

Map 

Description 

Approach spans built 1899 at an unknown location.

Facts 

Overview
Deck plate girder bridge over 420th Street on Iowa Interstate Railroad
Location
Pottawattamie County, Iowa
Status
Open to traffic
History
Built 1953 using Relocated 1899 Girders
Builders
- American Bridge Co. of New York (Main Span)
- Lassig Bridge & Iron Works of Chicago, Illinois (Approach Spans)
Railroads
- Chicago, Rock Island & Pacific Railroad (CRIP (1866-1920); RI (1920-1975) ROCK (1975-1980))
- Iowa Interstate Railroad (IAIS)
Design
Deck plate girder
Dimensions
Length of largest span: 65.0 ft.
Total length: 155.0 ft.
Approximate latitude, longitude
+41.37813, -95.39364   (decimal degrees)
41°22'41" N, 95°23'37" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/299838/4583498 (zone/easting/northing)
Inventory number
BH 83323 (Bridgehunter.com ID)

Categories 

19th Century (9,623)
American Bridge Co. (1,762)
Built 1899 (446)
Built 1952 (355)
Built during 1890s (3,382)
Chicago, Rock Island & Pacific Railroad (1,184)
Deck girder (6,580)
Girder (11,622)
Iowa (6,864)
 Iowa Interstate Railroad (207)
Lassig Bridge & Iron Works (255)
Open (41,415)
Owned by railroad (14,119)
Plate girder (9,133)
Pottawattamie County, Iowa (148)
Relocated (1,087)
Span length 50-75 feet (10,666)
Total length 125-175 feet (6,464)

Update Log 

  • October 31, 2018: Added by John Marvig

Sources 

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