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Big Sioux River Bridge

Brookings County, South Dakota

Map 

Facts 

Overview
Through truss bridge over Big Sioux River on 215th Street, 3 mi. south and 2.7 mi. west of Brookings in Medary Township
Location
Brookings County, South Dakota
Status
Open to traffic
History
Built 1910; rehabilitated 1950
Design
Warren through truss with Pratt pony truss approach
Dimensions
Length of largest span: 74.2 ft.
Total length: 141.4 ft.
Deck width: 15.4 ft.
Vertical clearance above deck: 10.7 ft.
Recognition
Posted to the National Register of Historic Places on November 30, 1999
Approximate latitude, longitude
+44.26839, -96.84347   (decimal degrees)
44°16'06" N, 96°50'36" W   (degrees°minutes'seconds")
Approximate UTM coordinates
14/672117/4903944 (zone/easting/northing)
Quadrangle map:
Brookings
Average daily traffic (as of 2014)
63
Inventory numbers
SD 06-142-190 (South Dakota structure number)
NRHP 99001431 (National Register of Historic Places reference number)
BH 32135 (Bridgehunter.com ID)
Inspection report (as of September 2016)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 22.8 (out of 100)
View more at BridgeReports.com

Categories 

Brookings County, South Dakota (22)
Built 1910 (1,066)
Built during 1910s (8,997)
NR-listed (2,839)
One-lane traffic (7,513)
Open (37,469)
Owned by county (19,092)
Pony truss (15,232)
Pratt pony truss (3,238)
Pratt truss (8,207)
 Relocated (684)
South Dakota (573)
Span length 50-75 feet (9,216)
Structurally deficient (17,859)
Through truss (13,232)
Total length 125-175 feet (5,427)
Truss (29,972)
Warren through truss (1,508)
Warren truss (5,963)
Wooden deck (5,897)

Update Log 

  • March 13, 2012: Updated by Robert Elder: Edited Design and Design description
  • March 13, 2012: Updated by Luke Harden: Added category "Relocated", added flickr link, someone needs to identify the type of the pony truss.

Sources 

  • Flickr
  • Robert Elder - robertelder1 [at] gmail [dot] com

Comments 

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