SD020 over GAP CK


+45.54074, -103.13518
45°32'27" N, 103°08'07" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD020 over GAP CK
Structure number:000000032451284
Location:2.1 W JCT SD 79 S
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:64.0 ft. [19.5 m]
Total length:167.0 ft. [50.9 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:1959
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 continuous [4]
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: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:173 [as of 2017]
Truck traffic:27% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:68.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairFairFairSatisfactory17368.4
April 2015FairFairFairSatisfactory17268.4
April 2013FairSatisfactorySatisfactorySatisfactory17080.7
April 2011FairSatisfactorySatisfactorySatisfactory15781.2
April 2009FairSatisfactoryGoodSatisfactory14181.3
April 2007FairSatisfactoryGoodGood14081.3
May 2005FairSatisfactoryGoodGood14081.3
May 2003FairSatisfactoryGoodGood14581.3
September 2001FairSatisfactoryGoodGood15681.2
October 1999FairFairGoodGood15081.7
October 1997FairSatisfactoryVery GoodGood14582.7
October 1995FairFairVery GoodGood18981.1
October 1993FairSatisfactoryVery GoodGood11584.3
January 1992FairSatisfactoryVery GoodGood18384.1