240th Street over Big Sioux River


+43.90640, -96.66281
43°54'23" N, 96°39'46" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:240th Street over Big Sioux River
Structure number:000000051113200
Location:3rd Street in Trent
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:90.6 ft. [27.6 m]
Total length:273.0 ft. [83.2 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:2004
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:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: July 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:555 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry 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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:72.7 tons [66.1 metric tons]
Inventory rating:46.9 tons [42.6 metric tons]
Sufficiency rating:99.8

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201699.8FairGoodVery GoodSatisfactory-555
July 201499.8FairGoodVery GoodSatisfactory-555
August 201292.6GoodGoodVery GoodGood-555
October 201092.6GoodGoodVery GoodGood-555
August 200892.6GoodGoodVery GoodGood-555
July 200692.6GoodGoodVery GoodGood-555
January 200592.6GoodGoodVery GoodGood-555
August 200325.2Poor-SeriousFairSD350
August 200230.2PoorPoorSeriousFairSD350
October 200028.2PoorCriticalSeriousFairSD350
September 199858.6PoorSeriousFairSatisfactorySD350
August 199673.6FairFairSatisfactorySatisfactory-350
May 199461.3FairFairFairSatisfactory-350
July 199261.3FairFairFairSatisfactory-350
August 199073.4GoodGoodGoodGood-350