481st Avenue over West Pipestone Creek


+43.86014, -96.58740
43°51'37" N, 96°35'15" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:481st Avenue over West Pipestone Creek
Structure number:000000051150232
Location:13.2S of Flandreau
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:35.1 ft. [10.7 m]
Total length:36.1 ft. [11.0 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:31.8 ft. [9.7 m]
Owner:County Highway Agency [02]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Channel beam [22]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:314 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 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 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]
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:78.2

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201678.2FairFairFairFair-314
July 201478.2FairFairFairFair-314
August 201277.7FairFairFairFair-314
October 201078.7FairSatisfactoryFairFair-314
July 200889.7FairGoodGoodSatisfactory-314
June 200689.7FairGoodGoodSatisfactory-314
July 200489.7FairGoodGoodSatisfactory-314
August 200289.7FairGoodGoodSatisfactory-314
October 200089.7FairGoodGoodSatisfactory-314
September 199889.7FairGoodGoodSatisfactory-314
August 199689.7GoodVery GoodVery GoodGood-314
April 199489.4GoodVery GoodVery GoodGood-314
July 199289.4GoodVery GoodGoodGood-314
August 199089.4GoodVery GoodGoodVery Good-314