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SD028 over BIG SIOUX RV

Map

Coordinates:
+44.57286, -96.93017
44°34'22" N, 96°55'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD028 over BIG SIOUX RV
Structure number:000000029277160
Location:2.3 W DEUEL CO LINE
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:52.8 ft. [16.1 m]
Total length:163.4 ft. [49.8 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Owner:State Highway Agency [01]
Year built:1951
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,126 [as of 2017]
Truck traffic:13% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:71.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairFairFairFair112671.8
July 2015FairSatisfactorySatisfactoryFair112472.8
July 2013FairSatisfactorySatisfactorySatisfactory106584.5
August 2011FairSatisfactorySatisfactorySatisfactory99885.9
April 2009FairGoodSatisfactoryGood99985.9
May 2007FairGoodSatisfactoryGood95686.0
April 2005FairSatisfactorySatisfactoryGood85586.2
May 2003FairGoodSatisfactoryGood91086.1
July 2001FairGoodSatisfactoryGood93186.0
August 1999FairGoodSatisfactorySatisfactory88686.2
December 1997FairGoodGoodFair84775.8
September 1995FairGoodGoodFair95975.3
September 1993FairGoodGoodFair126258.4
September 1991GoodGoodGoodGood80576.8