481st Avenue over Brookfield Creek


+43.97460, -96.58669
43°58'29" N, 96°35'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:481st Avenue over Brookfield Creek
Structure number:000000051150153
Location:5.3S of Flandreau
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:9.8 ft. [3.0 m]
Total length:25.9 ft. [7.9 m]
Owner:County Highway Agency [02]
Year built:1940
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:397 [as of 2014]
Truck traffic:3% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Superior to present desirable criteria [9]
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]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:37.4 tons [34.0 metric tons]
Inventory rating:27.4 tons [24.9 metric tons]
Sufficiency rating:90.2

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
August 201690.2Fair6 out of 10-397
July 201490.2Fair6 out of 10-397
August 201289.7Fair6 out of 10-397
October 201089.7Fair6 out of 10-397
June 200889.7Fair6 out of 10-397
June 200689.7Fair6 out of 10-397
July 200489.7Fair6 out of 10-397
August 200289.7Fair6 out of 10-397
October 200089.7Fair6 out of 10-397
September 199889.7Fair6 out of 10-397
August 199689.7Good7 out of 10-397
April 199489.4Good7 out of 10-397
July 199289.4Good8 out of 10-397
August 199089.4Good8 out of 10-397