Lake Oswego Railroad Bridge

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Coordinates: 45°25′30″N 122°39′17″W / 45.4251°N 122.6547°W / 45.4251; -122.6547
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Lake Oswego Railroad Bridge
Lake Oswego, Oregon to Oak Grove, Oregon
Maintained byPortland and Western Railroad
Characteristics
DesignTruss bridge
Total length1,378 feet (420 m)
Longest span298 feet (91 m)
History
Constructed byRobert Wakefield
Opened1910
Location
Map

The Lake Oswego Railroad Bridge (also known as the Union Pacific Railroad Bridge at Lake Oswego and formerly as the Southern Pacific Railroad Bridge at Lake Oswego) is a

Lake Oswego, Oregon and Oak Grove, Oregon. Owned by the Union Pacific Railroad, it is currently leased by the Portland and Western Railroad and carries the Milwaukie branch
.

History

The bridge was built in 1910 by the

Southern Pacific Company, in response to the desires of Portland city planners for an eastside railway bypass to keep rail traffic out of downtown Portland.[1] Robert Wakefield, later involved with the Steel Bridge, was the builder.[2][3] With its acquisition of Southern Pacific in 1996, Union Pacific Railroad assumed ownership of the bridge. Currently, the bridge is operated by the Portland and Western Railroad under a lease from Union Pacific.[4]

Description

The entire bridge is 1,378 feet (420 m) in length. On the west (Lake Oswego) side, there is a 50-foot (15 m) deck plate girder approach span that was built in 1900 and moved to this location in 1931. In 1934, a 60-foot (18 m) open-deck trestle was built on this side of the river.[1] Holding the railway deck across the river are two 298-foot (91 m) through truss spans.[1] Completing the bridge on the east side in Oak Grove is a 668-foot (204 m) open-deck trestle.

Usage

Though the bridge is now used exclusively for active freight rail transport, some Portland-area commuters have urged that the bridge be modified to allow commuter rail or bicycle traffic.[4][5]

References

  1. ^
    ISBN 0-87595-211-9
    .
  2. ^ "Construction". Railway Age. Vol. XLIV, no. 12. September 27, 1907. p. 442.
  3. ^ Talbot, Jim (March 2012). "Portland's 1912 Steel Bridge: Setting the Standard for Multi-modal Transport" (PDF). Modern Steel Construction.
  4. ^ a b "The Forgotten Bridge". Trainweb.org. Archived from the original on 2008-06-26. Retrieved 2008-04-03.
  5. Bicycle Transportation Alliance. Archived from the original
    (PDF) on 2006-10-04. Retrieved 2008-04-03.

See also
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