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272nd Street Overpass

Photos 

272nd Street Overpass

Overview. I hope to return here for better photos.

Photo taken by John Marvig in November 2020

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BH Photo #490830

Map 

Description 

Known as the "Balfour Overpass". NBI gives date of 1920, but this bridge shows up as a 34' Kingpost Truss in a 1967 track profile. Girder span appears to be a former railroad span.

Facts 

Overview
Through Plate Girder bridge over BNSF Railway on 272nd Street
Location
Mills County, Iowa
Status
Open to traffic
History
Built 1920 (NBI Date) with a secondhand railroad span
Railroads
- BNSF Railway (BNSF)
- Chicago, Burlington & Quincy Railroad (CBQ)
Design
Pony plate girder
Dimensions
Length of largest span: 50.0 ft.
Total length: 174.0 ft.
Approximate latitude, longitude
+41.04901, -95.66799   (decimal degrees)
41°02'56" N, 95°40'05" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/275772/4547626 (zone/easting/northing)
Quadrangle map:
Glenwood
Inventory number
BH 78532 (Bridgehunter.com ID)

Categories 

BNSF Railway (1,517)
Beam (15,916)
Built 1920 (1,018)
Built during 1920s (9,990)
Chicago, Burlington & Quincy Railroad (538)
Girder (10,360)
Iowa (6,544)
Mills County, Iowa (70)
Open (40,041)
Owned by county (20,924)
Plate girder (8,034)
Rail-to-overpass (64)
Railroad (15,652)
Relocated (919)
Span length 50-75 feet (10,122)
Through girder (3,870)
Timber stringer (4,071)
Total length 125-175 feet (5,947)

Update Log 

  • February 21, 2021: Updated by John Marvig: added information, noted likely relocation
  • September 24, 2017: Added by Daniel Barnes

Sources 

  • Daniel Barnes
  • John Marvig - marvigj27 [at] gmail [dot] com