330TH STREET over I029


+42.60514, -96.57686
42°36'19" N, 96°34'37" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:330TH STREET over I029
Structure number:000000064115330
Purpose:Carries highway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:100.1 ft. [30.5 m]
Total length:365.2 ft. [111.3 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:488 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:85.8 tons [78.0 metric tons]
Inventory rating:51.9 tons [47.2 metric tons]
Sufficiency rating:99.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201699.0FairSatisfactorySatisfactoryGood-488
August 201499.0FairSatisfactorySatisfactoryGood-488
August 201299.0FairSatisfactorySatisfactoryGood-488
September 201098.0FairSatisfactoryGoodGood-488
December 200898.0FairSatisfactoryGoodGood-488
October 200687.0FairSatisfactoryFairGood-521
December 200487.0FairSatisfactoryFairGood-555
January 200382.3FairSatisfactoryFairGood-1005
March 200182.3FairSatisfactoryFairGood-1005
March 199982.3FairSatisfactoryFairGood-1005
March 199793.3FairSatisfactorySatisfactoryGood-1005
February 199593.3FairSatisfactorySatisfactoryGood-1005
February 199387.0GoodGoodGoodGood-1005
February 199187.0GoodVery GoodGoodGood-1005