SD050 over NELSON CK


+43.69312, -99.17169
43°41'35" N, 99°10'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD050 over NELSON CK
Structure number:000000008150166
Location:4.6 S I 90 INTERCH
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:37.7 ft. [11.5 m]
Total length:106.0 ft. [32.3 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:297 [as of 2017]
Truck traffic:12% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:99.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017GoodGoodGoodGood29799.2
July 2015GoodGoodGoodGood34499.1
July 2013GoodGoodGoodGood35099.1
August 2011GoodGoodGoodGood30998.2
July 2009GoodGoodGoodGood25798.3
July 2007GoodGoodGoodGood25098.4
June 2005GoodGoodGoodGood24598.4
December 2003GoodGoodGoodGood21198.5
January 2000GoodGoodGoodGood27098.3
January 1996GoodGoodGoodVery Good28098.3
January 1994GoodGoodGoodVery Good29798.0
January 1992GoodGoodGoodVery Good49797.5