463rd Avenue over Trib. to Big Sioux River


+44.65420, -96.94589
44°39'15" N, 96°56'45" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:463rd Avenue over Trib. to Big Sioux River
Structure number:000000029270104
Location:4.0E & 5.4S of Castlewood
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:9.8 ft. [3.0 m]
Total length:20.7 ft. [6.3 m]
Owner:County Highway Agency [02]
Year built:2006
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:90 [as of 2016]
Truck traffic:9% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
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:No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:90.8

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
June 2018Good8 out of 109090.8
June 2016Good8 out of 1090100.0
May 2014Good8 out of 1090100.0
June 2012Good8 out of 1090100.0
August 2010Good8 out of 1090100.0
September 2008Good8 out of 1090100.0
October 2006Good8 out of 1090100.0
July 2004Poor4 out of 1016342.9
August 2002Fair5 out of 1016354.5
July 2000Poor4 out of 1016342.9
September 1998Poor2 out of 1016340.9
August 1996Poor4 out of 1016342.9
August 1994Fair5 out of 1016356.3
September 1992Fair5 out of 1016356.3
May 1990Fair5 out of 1016356.3