221st Street over Trib. to Big Sioux River


+44.18170, -96.67830
44°10'54" N, 96°40'42" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:221st Street over Trib. to Big Sioux River
Structure number:000000051106010
Location:10.4W & 2N of Ward
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:24.0 ft. [7.3 m]
Total length:29.9 ft. [9.1 m]
Roadway width between curbs:15.1 ft. [4.6 m]
Deck width edge-to-edge:15.1 ft. [4.6 m]
Owner:County Highway Agency [02]
Year built:1915
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Not applicable [N]
Wearing surface:Gravel [8]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:69 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Operating rating:37.4 tons [34.0 metric tons]
Inventory rating:27.4 tons [24.9 metric tons]
Sufficiency rating:37.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$548,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201637.0PoorFairSeriousSeriousSD69
August 201437.0PoorFairSeriousSeriousSD69
October 201228.7PoorFairSeriousSeriousSD69
October 201044.9PoorFairPoorPoorSD69
August 200844.9PoorFairFairPoorSD69
June 200644.9PoorFairFairPoorSD69
July 200444.9PoorFairFairPoorSD69
August 200244.9PoorFairFairPoorSD69
September 200044.9PoorFairFairPoorSD69
September 199844.9PoorFairFairPoorSD69
August 199669.9FairSatisfactoryGoodSatisfactory-69
May 199469.6FairSatisfactoryGoodSatisfactory-69
July 199269.6FairSatisfactoryGoodGood-69
August 199069.6FairSatisfactoryGoodGood-69