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CN - Wolf River Lift Bridge

Photos 

Photos of the bridge before conversion.

These documents were taken from the public Environmental Impact Statement.

Photo taken by Robert Thompson

Enlarge

BH Photo #216925

Map 

Description 

During the summer of 2003, the swing bridge experienced a catastrophic mechanical casualty which left the swing mechanism inoperable. Canadian National Railroad (Wisconsin Central Ltd.) modified the Gillís Landing Railroad Bridge across the Wolf River from a swing bridge to a vertical lift bridge. The modification to the Gillís Landing Railroad Bridge removed the center pivot swing span machinery and manually operated equipment used in swinging the span. The existing center pivot pier now houses hydraulic lifting machinery, converting the existing swing bridge to a vertical lift bridge.

Facts 

Overview
Pony/through plate girder bridge over Wolf River on Canadian National Railway
Location
Waupaca County, Wisconsin
Status
Open to traffic
Future prospects
Swing mechanism was no longer operative. Since the Wolf River at this point is federally designated as Navigable Waters, it was converted to a vertical lift bridge. The project was finished in the Autumn of 2011.
History
Several track upgrades have been completed since the bridge was erected in 1894. Major upgrades to the hydraulic swing machinery were completed in 1987.
Railroads
- Canadian National Railway (CN)
- Soo Line Railroad (SOO)
Design
The Gills Landing Bridge consisted of a single track, 160-foot plate-girder swing span that rotated on a circular pivot pier. The swing span was completed in 1894. The pier is protected upstream and downstream by timber frame protection piers. When in its closed position, the span rests on rest piers at each end of the span. The span is reached by two long approach trestles from either shore of the river. In 2011, the broken swing mechanism was removed and a steel tower was erected on the center pier, housing vertical lift machinery. This is likely the ONLY vertical-lift bridge in the world with a CENTER lift tower.
Dimensions
Length of largest span: 160.0 ft.
Deck width: 27.0 ft.
Also called
Gill's Landing Swing Bridge
Soo Line Swing Bridge
Approximate latitude, longitude
+44.30636, -88.88098   (decimal degrees)
44°18'23" N, 88°52'52" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/349971/4907620 (zone/easting/northing)
Quadrangle map:
Weyauwega
Elevation
760 ft. above sea level
Inventory number
BH 49803 (Bridgehunter.com ID)

Update Log 

  • March 10, 2012: Updated by Robert Thompson: Changed description to "Vertical Lift Bridge"
  • March 4, 2012: Updated by Robert Thompson: Editorial change in description
  • October 10, 2011: Added by Robert Thompson

Sources 

Comments 

CN Railway Wolf River Bridge
Posted March 10, 2012, by Robert Thompson

The swing bridge was converted to a vertical lift bridge. As I noted, this is likely the ONLY Vertical Lift Bridge in the world with a CENTER lift tower!

CN Railway Wolf River Bridge
Posted January 21, 2012, by Robert Thompson

http://www.uscg.mil/d9/docs/Gills.Landing.Draft.Environmenta...

Very detailed history of the river, navigation on the river, the railroad and the bridge, plus many good maps and photos.

CN Railway Wolf River Bridge
Posted January 21, 2012, by Robert Thompson

http://www.hardesty-hanover.com/markets/transportation/rail-...

Page at the project engineer's site on the conversion of this swing bridge to a vertical-lift span.

CN Railway Wolf River Bridge
Posted October 10, 2011, by Robert Thompson

I had been planning to wait until I could photograph the bridge before I posted it; it is quite out of the way and off the beaten track. However, I was just made aware of the conversion that was about to be made. I'm glad they are restoring it to function, rather than just sealing it shut, although I'm sure the Canadian National Railway does not agree.