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Hudson Swing Bridge

Washington County, Minnesota, and St. Croix County, Wisconsin
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Photo 

Photo taken by Nick Benson

View this photo on Flickr

Map 

Description 

Replaced the rickety 1881 swing bridge, which had a large quadruple intersection lattice through truss swing span with another quadrangular through truss approach and 10 pony through trusses. The 1872 bridge was 3,100' long with a 319' through truss swing span and a 136' Howe Through Truss span, with the remainder being trestle.

This bridge is strengthened and electrified in 1963

Facts 

Overview
Pratt through truss bridge over St. Croix River on Union Pacific Railroad
Location
Lakeland, Washington County, Minnesota, and St. Croix County, Wisconsin
Status
Open to traffic
History
Opened 1913, replacing 1881 and 1872 bridges
Design
Pratt through truss
Dimensions
Length of largest span: 314.0 ft.
Total length: 568.0 ft.
Also called
UP St. Croix River Bridge
Union Pacific Swing Bridge
Approximate latitude, longitude
+44.97999, -92.77018   (decimal degrees)
44°58'48" N, 92°46'13" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/518119/4980753 (zone/easting/northing)
Inventory number
BH 53764 (Bridgehunter.com ID)

Categories 

12-panel truss (27)
6-panel truss (405)
A-frame portal (232)
Built 1913 (507)
Built during 1910s (6,729)
Chicago & North Western Railway (470)
Chicago, St. Paul, Minneapolis & Omaha Railway (17)
Hudson, Wisconsin (2)
Lakeland, Minnesota (1)
Minnesota (916)
Movable (1,355)
Navigable waterway (1,448)
Open (28,314)
Owned by railroad (4,046)
Pony truss (13,217)
Pratt pony truss (2,342)
 Pratt through truss (3,166)
Pratt truss (5,660)
Railroad (4,075)
Riveted (1,011)
Span length 250-500 feet (863)
St. Croix County, Wisconsin (8)
St. Croix River (8)
State line crossing (514)
Swing (534)
Through truss (9,210)
Total length 500-1000 feet (1,805)
Truss (23,574)
Union Pacific Railroad (793)
Washington County, Minnesota (18)
Wisconsin (804)
Wooden deck (5,398)

Update Log 

  • November 4, 2012: Updated by John Marvig: Added historical information
  • October 3, 2012: Photo imported by Luke Harden
  • October 3, 2012: Added by John Marvig

Sources 

Comments 

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