SD028 over DOLPH CK


+44.58715, -97.29262
44°35'14" N, 97°17'33" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD028 over DOLPH CK
Structure number:000000029099150
Location:3.7 W JCT SD 21 N
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:23.3 ft. [7.1 m]
Total length:66.9 ft. [20.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Owner:State Highway Agency [01]
Year built:1949
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:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,092 [as of 2017]
Truck traffic:17% 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: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 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 foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:75.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairFairFairSatisfactory109275.2
September 2015FairGoodSatisfactorySatisfactory96588.9
September 2013FairSatisfactorySatisfactoryGood105087.7
September 2011FairSatisfactorySatisfactoryGood94284.3
September 2009FairSatisfactorySatisfactoryGood92584.3
October 2007FairSatisfactorySatisfactoryGood87584.4
July 2005FairSatisfactorySatisfactoryGood91584.3
September 2003FairSatisfactorySatisfactoryGood93084.3
August 2001FairFairFairGood91571.9
September 1999FairSatisfactoryGoodGood78384.6
September 1997GoodGoodGoodGood89084.4
August 1995GoodGoodGoodGood75092.4
September 1993GoodGoodGoodGood71591.3
September 1991GoodGoodGoodGood72085.0