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SD ROUTE 87 over SD ROUTE 87

Map

Coordinates:
+43.60131, -103.49428
43°36'05" N, 103°29'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD ROUTE 87 over SD ROUTE 87
Structure number:1560003P0000000
Location:ON SD ROUTE 87, MP 43.1;
Purpose:Carries highway over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:41.0 ft. [12.5 m]
Total length:77.1 ft. [23.5 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:21.7 ft. [6.6 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:National Park Service [66]
Year built:1940
Year reconstructed:2007
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:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:324 [as of 2013]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:69.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairSatisfactoryGoodSatisfactory32469.5
September 2015GoodGoodGoodGood32473.4
September 2013GoodGoodGoodGood32473.4
September 2011GoodGoodGoodGood32477.5
October 2009GoodGoodGoodGood32477.5
September 2007GoodGoodGoodGood25077.8
September 2005FairGoodSatisfactoryGood25037.9
September 2003FairGoodSatisfactoryGood25037.8
October 2001FairGoodSatisfactoryGood25037.8