3rd Avenue NW over Big Sioux River


+44.90466, -97.12523
44°54'17" N, 97°07'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:3rd Avenue NW over Big Sioux River
Structure number:000000015181170
Location:0.3E of 10th Street NW
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:17.7 ft. [5.4 m]
Total length:105.6 ft. [32.2 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Owner:City or Municipal Highway Agency [04]
Year built:1941
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:6
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:4,837 [as of 2015]
Truck traffic:8% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:36.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,449,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017PoorPoorFairSerious483736.3
July 2015PoorPoorSatisfactorySerious483736.3
July 2013PoorPoorSatisfactorySerious483740.3
October 2011PoorPoorSatisfactorySerious483740.3
June 2009PoorPoorSatisfactorySerious483744.5
June 2007PoorPoorSatisfactorySerious483744.5
July 2005PoorPoorSatisfactorySerious483744.5
October 2003FairFairSatisfactoryFair483777.2
June 2001FairFairSatisfactoryFair483769.1
September 1999FairSatisfactorySatisfactoryFair483770.1
July 1997PoorSatisfactorySatisfactoryPoor483753.9
June 1995FairSatisfactorySatisfactoryFair483769.9
September 1993FairSatisfactorySatisfactoryFair483769.9
July 1991FairSatisfactorySatisfactoryFair483769.9