483rd Avenue over Mud Creek


+44.08330, -96.54616
44°04'60" N, 96°32'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:483rd Avenue over Mud Creek
Structure number:000000051170078
Location:2E & 2.2N of Flandreau
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:34.1 ft. [10.4 m]
Total length:37.1 ft. [11.3 m]
Roadway width between curbs:23.6 ft. [7.2 m]
Deck width edge-to-edge:23.6 ft. [7.2 m]
Owner:County Highway Agency [02]
Year built:1955
Year reconstructed:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Gravel [8]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:175 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:15.3 tons [13.9 metric tons]
Inventory rating:11.8 tons [10.7 metric tons]
Sufficiency rating:32.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$605,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201632.8PoorSatisfactoryPoorSeriousSD175
July 201447.9PoorSatisfactorySatisfactorySeriousSD175
August 201232.8PoorSatisfactorySatisfactorySeriousSD175
October 201042.8PoorSatisfactorySatisfactoryPoorSD175
August 200842.8PoorSatisfactorySatisfactoryPoorSD175
June 200642.8PoorSatisfactorySatisfactoryPoorSD175
July 200442.8PoorSatisfactorySatisfactoryPoorSD175
August 200243.8PoorSatisfactorySatisfactoryPoorSD175
September 200052.1PoorSatisfactorySatisfactoryPoorSD175
September 199855.9PoorSatisfactorySatisfactoryPoorSD175
August 199682.9FairVery GoodGoodSatisfactory-175
May 199479.9FairGoodGoodSatisfactory-175
July 199268.2FairGoodGoodSatisfactory-175
August 199077.1FairGoodGoodSatisfactory-175