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Blenkiron Bridge

Jackson County, Minnesota, and Cottonwood County, Minnesota
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Photo 

Bridge's replacement

The approaches are now more dangerous than with the truss span.

Photo taken in 1998 by Jason Smith

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Map 

Facts 

Overview
Pratt through truss bridge over Heron Lake Outlet on CR 86 (440th Street) at Jackson/Cottonwood Co. Border
Location
Jackson County, Minnesota, and Cottonwood County, Minnesota
History
Built in 1915 by Joliet Bridge Company. Replaced by steel trestle bridge in 1975.
Builder
- Joliet Bridge & Iron Co. of Joliet, Illinois
Design
Pratt through truss
Dimensions
Span length: 80.0 ft.
Total length: 80.0 ft.
Deck width: 15.8 ft.
Vertical clearance above deck: 8.5 ft.
Also called
Heron Lake Outlet Crossing
Approximate latitude, longitude
+43.84805, -95.26664   (decimal degrees)
43°50'53" N, 95°15'60" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/317809/4857493 (zone/easting/northing)
Land survey
Sec. 3 T. 104 N R. 37W
USGS topographic map
Heron Lake
Inventory number
BH 36406 (Bridgehunter.com ID)

Categories 

Built 1915 (967)
Built during 1910s (6,730)
Cottonwood County, Minnesota (11)
Jackson County, Minnesota (33)
Joliet Bridge & Iron Co. (20)
Lost (10,358)
Lost 1975 (16)
Lost during 1970s (136)
Minnesota (916)
 Owned by county (16,484)
Pratt through truss (3,166)
Pratt truss (5,658)
Replaced by new bridge (7,133)
Span length 75-100 feet (4,718)
Through truss (9,205)
Total length 75-100 feet (4,794)
Truss (23,566)

Update Log 

  • April 11, 2012: Updated by Jason Smith: Added information on the bridge
  • March 13, 2010: Updated by Matthew Lohry: Updated bridge location, GPS, road name, status
  • June 9, 2009: Updated by Jason Smith
  • March 27, 2008: Added by Jason Smith

Sources 

  • Jason Smith - JDSmith77 [at] gmx [dot] net
  • Matt Lohry

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