+45.50956, -100.32195
45°30'34" N, 100°19'19" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD1804 over BLUE BLANKET CK
Structure number:000000065072059
Location:2.5 S JCT US 12
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:25.9 ft. [7.9 m]
Total length:128.6 ft. [39.2 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:28.2 ft. [8.6 m]
Owner:State Highway Agency [01]
Year built:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:5
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: December 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:210 [as of 2017]
Truck traffic:6% of total traffic
Deck condition:Good [7 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:83.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2018FairGoodGoodSatisfactory21083.4
December 2016FairGoodGoodSatisfactory19683.5
December 2014FairSatisfactorySatisfactoryGood21083.4
November 2012FairSatisfactorySatisfactoryGood9787.0
December 2010FairSatisfactorySatisfactoryGood10581.4
December 2008FairSatisfactorySatisfactoryGood11681.3
March 2007FairFairSatisfactoryGood10085.9
February 2005GoodGoodGoodGood10681.3
January 2003GoodGoodGoodGood11381.3
December 2000FairGoodGoodSatisfactory12980.1
November 1998FairGoodGoodSatisfactory14480.0
December 1996FairSatisfactorySatisfactoryFair25067.7
January 1995FairSatisfactorySatisfactoryFair18564.8
February 1993FairSatisfactorySatisfactoryFair10565.7
February 1991FairSatisfactorySatisfactoryFair16665.1