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Ellsworth Ranch Bridge

Emmet County, Iowa
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Photos 

Side view

Photo taken 1997 by Jason Smith

Map 

View Uglybridges.com report

Facts 

Overview
Thatcher through truss bridge over East Fork Des Moines River on 130th Street east of Dolliver
Location
Emmet County, Iowa
Status
Closed to all traffic
History
Built 1895 by the King Bridge Co. under the direction of Milo Adams; rehabilitated 1937; closed to traffic 2007
Builders
- King Bridge Co. of Cleveland, Ohio
- Milo A. Adams of Minneapolis, Minnesota (Agent)
Design
Pin-connected Thacher through truss.
"The Ellsworth Ranch Bridge represents an unusual variation of a Pratt truss. It is identical to two trusses found in South Dakota and Minnesota, both built in the mid-1890s by Milo A. Adams, agent of the King Bridge Company. The only one of its type in Iowa, the Ellsworth Ranch Bridge is a rare surviving example of structural experimentation by one of the country's most prolific 19th-century bridge manufacturers."

--Leslie Pinter, August 1995 for HAER
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Dimensions
Span length: 80.1 ft.
Total length: 80.1 ft.
Deck width: 15.1 ft.
Vertical clearance above deck: 12.0 ft.
Recognition
Posted to the National Register of Historic Places on July 15, 1998
Approximate latitude, longitude
+43.45972, -94.58022   (decimal degrees)
43°27'35" N, 94°34'49" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/372161/4813080 (zone/easting/northing)
Quadrangle map:
Dolliver
Land survey
T. 100 N., R. 32 W., Sec. 24
Inventory numbers
NRHP 98000869 (National Register of Historic Places reference number)
IA 148950 (Iowa bridge number)
BH 13448 (Bridgehunter.com ID)
Inspection (as of 08/2007)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Critical (2 out of 9)
Substructure condition rating: Critical (2 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 15.7 (out of 100)
Average daily traffic (as of 2003)
25

Categories 

19th Century (6,139)
Built 1895 (237)
Built during 1890s (2,451)
Closed (2,409)
Des Moines River (217)
Emmet County, Iowa (18)
HAER documented (1,096)
Iowa (5,731)
King Bridge Co. (284)
Milo A. Adams (6)
NR-listed (2,836)
 One-lane traffic (7,412)
Owned by county (18,754)
Pin-connected (3,134)
Span length 75-100 feet (5,738)
Structurally deficient (18,336)
Thacher truss (12)
Through truss (12,830)
Total length 75-100 feet (5,875)
Truss (29,324)
Wooden deck (5,843)

Update Log 

  • October 15, 2013: Updated by Nathan Holth: Added agent.
  • August 17, 2011: New photos from Jason Smith
  • August 27, 2008: New photos from J.R. Manning
  • September 15, 2005: Posted photos and info from Jason Smith

Sources 

  • HAER IA-52 - Ellsworth Ranch Bridge
  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • Historicbridges.org - by Nathan Holth
  • Nathan Holth

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