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Seventh Street Bridge

Photos 

General Setting Looking East

Photo taken by Historic American Engineering Record

View photos at Library of Congress

BH Photo #177936

Map 

Facts 

Overview
Lost Howe pony truss bridge over Chicago, St.Paul, Minneapolis,Omaha Railroad on Seventh Street
Location
Hudson, St. Croix County, Wisconsin
Status
Replaced by new bridge
History
Built in 1910; replaced in 1987
Railroad
- Chicago, St. Paul, Minneapolis & Omaha Railway (CMO)
Design
Howe pony truss
Approximate latitude, longitude
+44.98445, -92.74945   (decimal degrees)
44°59'04" N, 92°44'58" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/519752/4981253 (zone/easting/northing)
Quadrangle map:
Northline
Inventory number
BH 46221 (Bridgehunter.com ID)

Update Log 

  • September 16, 2012: Updated by Luke Harden: Added categories, removed railroad name from builder's section
  • September 18, 2010: Added by Jason Smith

Sources 

  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
  • HAER WI-13 - Seventh Street Bridge, Spanning Chicago, St.Paul, Minneapolis,Omaha Railroad, Hudson, St. Croix, WI
  • Luke

Comments 

Seventh Street Bridge
Posted September 19, 2010, by J.R. Manning (thekitchenguy [at] sbcglobal [dot] net)

Structures like this one used to be quite common in Wisconsin. They were built by the railroads, I suspect they were cheap to build since the structures used materials that railroads used to build river and road trestles for the tracks.

As a kid, I remember the cheap thrill of being in the back seat of The Old Man's '58 Ford when he'd hit the wooden approach with a smack, listening to the rumble of the tires on the wooden planks, then the feeling of flying as the car bounced up on the deck, and flew off the deck on the descending approach span on the other side.

There were two of them, only a couple hundred feet apart, on Teutonia Avenue in Milwaukee, that carried Teutonia Avenue across two competing rail lines. (They were replaced by one long UCEB, there's a photo taken from it at http://bridgehunter.com/wi/milwaukee/bh38477/)

It felt like we were flying when we hit those bridges. Of course, at 35 MPH in a heavy old Ford, we weren't even close to flying, but to a young imagination, it was a thrill (if not a little terrifying) to cross those spans.

Except for a few of them on rural roads, there aren't many of these wooden structures left anymore.

Seventh Street Bridge
Posted September 18, 2010, by Craig Philpott (cphilpott [at] puc [dot] edu)

This listing contains an excellent set of photos showing a wood beam truss. Very enlightening.