St. Paul Union Pacific Vertical-lift Rail Bridge
- St. Paul Union Pacific Vertical-lift Rail Bridge
Infobox_Bridge
bridge_name=St. Paul Union Pacific Vertical-lift Rail Bridge
caption=The Union Pacific bridge on the left, passing underneath the Robert Street Bridge on the right.
official_name=
crosses=Mississippi River
carries=One track of the Union Pacific Railroad
locale=St. Paul, Minnesota
design=Vertical lift bridge
mainspan=192 feet
length=940 feet
width=21.9 feet
below=72 feet (with span lifted)
open=1913
maint=Union Pacific Railroad
id=L332
coordinates= coord|44|56|39|N|93|05|18|W|region:US_type:landmark
The St. Paul Union Pacific Vertical-lift Rail Bridge is a vertical lift bridge that spans the Mississippi River in downtown St. Paul, Minnesota. This is one of only three vertical lift bridges along the Mississippi River, along with the Hastings Rail Bridge in Hastings, Minnesota and the Wabash Bridge in Hannibal, Missouri. It was built in 1913 and was designed by Waddell & Harrington. In 1925, the north end of the bridge was raised about 16 feet to tie in with tracks that served the St. Paul Union Depot yard. The vertical lift span has 105-foot high towers, and the electrical lift system was built with a possible 45-foot elevation. However, by 1973, the amount of lift was reduced to 37 feet, because of aging of the equipment.
The bridge was originally built by the Chicago Great Western Railroad, which later became part of the Chicago and Northwestern Railroad. The Robert Street Bridge, built later in 1926, had to be carefully engineered around the railroad bridge.
In April 1997, high water on the Mississippi River reached the bottom of the span. The Union Pacific Railroad spotted a train of hopper cars laden with rocks on the bridge to help anchor it and keep it from being washed away.
Crossings navbox
structure = Bridges
place = Mississippi River
bridge = St. Paul Union Pacific Vertical-lift Rail Bridge
bridge signs =
upstream = Wabasha Street Bridge
upstream signs =
downstream = Robert Street Bridge
downstream signs =
ee also
*List of crossings of the Upper Mississippi River
References
* cite book
last = Costello
first = Mary Charlotte
authorlink =
coauthors =
year = 2002
title = Climbing the Mississippi River Bridge by Bridge, Volume Two: Minnesota
publisher = Adventure Publications
location = Cambridge, MN
id = ISBN 0-9644518-2-4
Wikimedia Foundation.
2010.
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