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Big Sioux River Bridge

Photos 

Overview

Photo taken by Jason Smith

Enlarge

BH Photo #147306

Map 

Facts 

Overview
Lost pony truss bridge over Big Sioux River on 181th Street, 2 mi. north and 1.2 mi. west of Castlewood in Castlewood Township
Location
Hamlin County, South Dakota
Status
Replaced by a new bridge
History
Built 1934; replaced 2016
Design
Bedstead Riveted Pratt pony truss bridge
Dimensions
Span length: 75.8 ft.
Total length: 75.8 ft.
Deck width: 24.3 ft.
Approximate latitude, longitude
+44.76074, -97.05016   (decimal degrees)
44°45'39" N, 97°03'01" W   (degrees°minutes'seconds")
Approximate UTM coordinates
14/654316/4958221 (zone/easting/northing)
Quadrangle map:
Watertown SE
Average daily traffic (as of 2016)
66
Inventory numbers
SD 29-218-030 (South Dakota structure number)
BH 32222 (Bridgehunter.com ID)
Inspection report (as of June 2018)
Overall condition: Good
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Deck condition rating: Very Good (8 out of 9)
Sufficiency rating: 100 (out of 100)
View more at BridgeReports.com

Update Log 

  • October 11, 2012: Updated by Jason Smith: Added categories "Big Sioux River", "Riveted"
  • October 8, 2009: Updated by Jason Smith: Bridge is a bedstead riveted Pratt pony truss

Sources 

  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com