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MILW - Pile-Pontoon Bridge (1913)

Photos 

Photo provided by Hank Zaletel

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BH Photo #249609

Map 

Facts 

Overview
Lost Pontoon bridge over Mississippi River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Location
Prairie Du Chien, Clayton County, Iowa, and Crawford County, Wisconsin
Status
Removed
History
Built 1913; Disassembled 1961
Railroad
- Chicago, Milwaukee, St. Paul & Pacific Railroad (MILW)
Design
47 Span Pile Trestle
2-105' Warren Pony Truss
1-49' Deck Girder
1-270' Pontoon Span
1-49' Deck Girder
2 Span Pile Trestle
1-55' Twin Deck Girder
12 Span Pile Trestle
Dimensions
Length of largest span: 270.0 ft.
Also called
MILW Bridge #B-380
Approximate latitude, longitude
+43.04402, -91.17512   (decimal degrees)
43°02'38" N, 91°10'30" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/648638/4767319 (zone/easting/northing)
Quadrangle map:
Prairie du Chien
Inventory number
BH 51377 (Bridgehunter.com ID)

Update Log 

  • October 5, 2021: Updated by John Marvig: added design information from 1951
  • September 1, 2021: New photo from Luke
  • April 13, 2021: New photo from Geoff Hubbs
  • November 5, 2019: New photo from David Shedlock
  • April 7, 2016: Updated by Luke: Corrected build date + added west channel structure dimensions from section of the 1913 blueprint
  • March 1, 2015: New photo from Luke
  • March 2, 2013: New photos from Luke Harden
  • February 21, 2012: Updated by Luke Harden: Added category "Mississippi River"

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