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Big Sioux River Bridge

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Facts 

Overview
Pony truss bridge over Big Sioux River on 198th Street, 14 mi. north and 4.1 mi. west of Brookings in Eureka Township
Location
Brookings County, South Dakota
Status
Closed to traffic.
Future prospects
Closed and abandoned. County plans to market the bridge for reuse. If no one takes the bridge the "planks" will be salvaged. No word on the fate of the actual truss superstructure. They may demolish this bridge.
History
Built 1903 by the Iowa Bridge Co.
Builder
- Iowa Bridge Co. of Des Moines, Iowa
Design
Pratt pony truss
Dimensions
Length of largest span: 70.2 ft.
Total length: 102.0 ft.
Deck width: 15.4 ft.
Recognition
Posted to the National Register of Historic Places on November 30, 1999
Approximate latitude, longitude
+44.51444, -96.86944   (decimal degrees)
44°30'52" N, 96°52'10" W   (degrees°minutes'seconds")
Approximate UTM coordinates
14/669333/4931221 (zone/easting/northing)
USGS topographic map
Estelline SE
Inventory numbers
SD 06-129-020 (South Dakota structure number)
NRHP 99001433 (National Register of Historic Places reference number)
BH 32133 (Bridgehunter.com ID)
Inspection (as of 09/2008)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 28.8 (out of 100)
Average daily traffic (as of 2006)
92

Update Log 

  • March 13, 2012: Updated by Luke Harden: Added flickr link
  • December 28, 2010: Updated by Nathan Holth: Bridge is available for reuse and potentially at risk for demolition.

Sources