Rating:
1 vote

Okabena Creek Bridge

Jackson County, Minnesota

Photo 

Overview

Photo taken by Kevin Hlavac in May 2009; Submitted by Jason Smith in June, 2009

BH Photo #141213

Map 

Description 

Even though this bridge can be classified as a queenpost pony truss, I believe that an actual queenpost bridge is technically made of timber rather than metal, and a true queenpost lacks the diagonal members that exist in the center panel for stability. The wood bridges were typically made with heavy upper and lower chords to offset the lack of stability, and wood or metal diagonals were still added to increase payload capacity--the metal variations can also be classified as 3-panel Pratt pony trusses.

View Uglybridges.com report

Facts 

Overview
Pony truss bridge over Okabena Creek on CR 187
Location
Jackson County, Minnesota
Status
Closed to all traffic
Future prospects
This bridge is available for adaptive reuse at a new location. Proposals must be received by September 15, 2017. Contact: Tim Stahl, PE, Jackson County Engineer, Jackson County Public Works, 53053 780th Street, Jackson, MN 56143 Email: tim.stahl@co.jackson.mn.us. See http://www.co.jackson.mn.us/index.asp?SEC=89F58D4B-B981-479A...
History
Built 1905; relocated to this spot and rehabilitated 1938; closed to traffic in 1990
Design
Pin-connected, 3-panel Pratt pony truss
Dimensions
Length of largest span: 15.1 ft.
Total length: 44.9 ft.
Deck width: 14.8 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+43.69889, -95.41528   (decimal degrees)
43°41'56" N, 95°24'55" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/305377/4841264 (zone/easting/northing)
Quadrangle map:
Brewster
Inventory numbers
MN L5245 (Minnesota bridge number)
BH 20460 (Bridgehunter.com ID)
Inspection (as of 10/2007)
Appraisal: Structurally deficient
Sufficiency rating: 20.0 (out of 100)
Average daily traffic (as of 1988)
10

Categories 

Available for reuse (218)
Built 1905 (725)
Built during 1900s (6,285)
Closed (2,409)
Jackson County, Minnesota (33)
Minnesota (1,346)
NR-eligible (3,971)
One-lane traffic (7,424)
Owned by township (2,301)
 Pin-connected (3,221)
Pony truss (15,052)
Pratt pony truss (3,180)
Pratt truss (8,020)
Span length under 25 feet (5,768)
Structurally deficient (18,433)
Total length 25-50 feet (9,860)
Truss (29,448)

Update Log 

  • June 7, 2017: Updated by James Baughn: Bridge is available for adaptive reuse
  • March 13, 2010: Updated by Matthew Lohry: Updated bridge type/description
  • June 9, 2009: New photo from Jason Smith

Sources 

  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
  • Matt Lohry
  • James Baughn - webmaster [at] bridgehunter [dot] com

Comments 

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