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Lake Louise State Park Bridge

Mower County, Minnesota
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Photo taken in September 2010 by Jason Smith

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Video 

Map 

View Uglybridges.com report

Facts 

Overview
Through truss bridge over Little Iowa River on State Park Road
Location
Mower County, Minnesota
Status
To be replaced by a truss bridge brought in from Meeker County
History
Built 1910
Design
Pin-connected Pratt through truss with A-frame portal bracing
Dimensions
Length of largest span: 77.1 ft.
Total length: 82.0 ft.
Deck width: 14.4 ft.
Vertical clearance above deck: 13.5 ft.
Approximate latitude, longitude
+43.53222, -92.51861   (decimal degrees)
43°31'56" N, 92°31'07" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/538896/4820032 (zone/easting/northing)
USGS topographic map
Le Roy
Inventory numbers
MN 6146 (Minnesota bridge number)
BH 20508 (Bridgehunter.com ID)
Inspection (as of 10/2010)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 16.7 (out of 100)
Average daily traffic (as of 1986)
79

Categories 

Built 1910 (745)
Built during 1910s (6,761)
Doomed (815)
Minnesota (948)
Mower County, Minnesota (11)
One-lane traffic (7,119)
Open (28,452)
Owned by state (9,853)
 Pratt through truss (3,184)
Pratt truss (5,687)
Span length 75-100 feet (4,740)
Structurally deficient (16,729)
Through truss (9,254)
Total length 75-100 feet (4,813)
Truss (23,615)

Update Log 

  • July 9, 2011: New video from Benjamin Cole
  • September 18, 2010: Updated by Jason Smith: Added and changed some info on this bridge

Sources 

  • Jason Smith - JDSmith77 [at] gmx [dot] net
  • Benjamin Cole - mountainjam99 [at] gmail [dot] com
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Comments 

Lake Louise State Park Bridge
Posted January 28, 2011, by Matthew Lohry (matthewlohry [at] yahoo [dot] com)

I just noticed that this bridge is being replaced with another bridge relocated from Mower County. This is disappointing to me, because even though the bridge being brought in is historic, this one is far more so, in that it's older with design characteristics that were long gone by the time this bridge's replacement was built. Goes to show you that bridges located inside parks aren't safe either. It seems to me that this is a narrow one-lane road that will never see heavy truck traffic, and the current bridge would easily handle any traffic crossing even with just a light refurbishment and repainting. I was happy to see that the 1935 bridge was being preserved, but I'm certainly not happy to see that it is replacing another truss with far more historic value. The replacement bridge is a 1935 riveted polygonal Warren pony truss (see link below) that is two lanes wide and would be far more suited for restoration and use on a lightly traveled rural two-lane road. It is far more substantial than what is needed here, to say the least. This is a situation where both bridges could serve their justifiable purposes and be allowed to live on, but apparently not everyone thinks so.

http://www.bridgehunter.com/mn/meeker/5388/