+43.22610, -99.17927
43°13'34" N, 99°10'45" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:350 AVENUE over COON CK
Structure number:000000027180190
Location:3N & 6E BURKE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:39.7 ft. [12.1 m]
Total length:201.1 ft. [61.3 m]
Roadway width between curbs:20.3 ft. [6.2 m]
Deck width edge-to-edge:22.3 ft. [6.8 m]
Owner:County Highway Agency [02]
Year built:1949
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:5
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10 [as of 2016]
Truck traffic:2% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:64.2
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$16,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairFairFairSatisfactory1064.2
May 2016FairFairFairSatisfactory1063.5
May 2014FairFairFairSatisfactory1063.5
May 2012FairFairFairSatisfactory1069.3
May 2010FairFairFairSatisfactory1069.3
July 2008FairFairFairSatisfactory1069.3
August 2006FairFairFairSatisfactory1061.7
October 2004FairFairFairSatisfactory1061.7
August 2002FairSatisfactorySatisfactorySatisfactory1078.4
October 2000FairSatisfactoryFairGood1062.9
October 1998FairGoodSatisfactoryGood1072.9
October 1996FairGoodGoodSatisfactory1072.9
October 1994FairGoodVery GoodSatisfactory1083.4
August 1992GoodGoodVery GoodGood1087.5
August 1990GoodGoodVery GoodVery Good1088.5