SD022 over COBB CK


+44.73919, -96.45771
44°44'21" N, 96°27'28" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD022 over COBB CK
Structure number:000000020211165
Location:11.4 E JCT SD 15
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:42.7 ft. [13.0 m]
Total length:133.5 ft. [40.7 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:1954
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:Epoxy Overlay [5]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:856 [as of 2017]
Truck traffic:23% 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 assessed or calculated scour condition. [5]
Sufficiency rating:76.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairFairFairSatisfactory85676.3
May 2015FairSatisfactoryFairSatisfactory83277.4
May 2013FairSatisfactoryFairSatisfactory84077.4
May 2011FairSatisfactoryFairSatisfactory74281.7
May 2009FairGoodFairGood60482.1
May 2007FairGoodFairGood66481.9
April 2005FairGoodFairGood71881.7
June 2003FairGoodFairGood76677.7
July 2001FairGoodFairGood72881.7
August 1999FairSatisfactoryFairSatisfactory67581.8
July 1999FairSatisfactorySatisfactorySatisfactory69093.1
September 1997FairSatisfactorySatisfactorySatisfactory68593.1
August 1995FairSatisfactorySatisfactorySatisfactory56093.3
August 1993FairSatisfactorySatisfactorySatisfactory56583.2
August 1991FairSatisfactoryGoodSatisfactory55584.9