483rd Avenue over Flandreau Creek


+44.05915, -96.54658
44°03'33" N, 96°32'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:483rd Avenue over Flandreau Creek
Structure number:000000051170096
Location:2E & 0.4N of Flandreau
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:30.5 ft. [9.3 m]
Total length:138.5 ft. [42.2 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Owner:County Highway Agency [02]
Year built:1940
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:350 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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 desirable criteria [8]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:37.4 tons [34.0 metric tons]
Inventory rating:27.4 tons [24.9 metric tons]
Sufficiency rating:80.1

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201680.1FairSatisfactorySatisfactorySatisfactory-350
July 201468.1FairFairSatisfactoryFair-350
August 201268.5FairFairSatisfactoryFair-350
October 201069.5FairSatisfactorySatisfactoryFair-350
July 200869.5FairSatisfactorySatisfactoryFair-350
June 200669.5FairSatisfactorySatisfactoryFair-350
July 200480.5FairSatisfactorySatisfactorySatisfactory-350
August 200280.5FairSatisfactorySatisfactorySatisfactory-350
September 200080.5FairSatisfactorySatisfactorySatisfactory-350
September 199860.0FairSatisfactorySatisfactorySatisfactory-350
August 199660.0GoodGoodVery GoodGood-350
May 199458.8GoodGoodGoodGood-350
July 199258.8GoodVery GoodGoodGood-350
August 199058.8GoodVery GoodGoodGood-350