I480/US75 over N38


+41.23901, -95.95359
41°14'20" N, 95°57'13" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I480/US75 over N38
Structure number:S480 00088L
Location:N38 INTRCHG
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:60.0 ft. [18.3 m]
Total length:173.9 ft. [53.0 m]
Roadway width between curbs:69.2 ft. [21.1 m]
Deck width edge-to-edge:71.9 ft. [21.9 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:1991
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:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:52,500 [as of 2013]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:56.9 tons [51.7 metric tons]
Inventory rating:33.9 tons [30.8 metric tons]
Sufficiency rating:95.3

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201795.3GoodGoodGoodGood-52500
March 201595.3GoodGoodGoodGood-52500
March 201395.3GoodGoodGoodGood-52500
February 201195.2GoodGoodGoodGood-49265
March 200995.2GoodGoodGoodGood-55798
March 200796.0GoodGoodGoodGood-51550
March 200596.0GoodGoodGoodGood-48760
June 200396.0GoodGoodVery GoodGood-42145
March 200196.0GoodGoodVery GoodGood-44965
July 199996.0GoodGoodVery GoodGood-43175
July 199796.0GoodVery GoodVery GoodGood-41575
July 199596.0GoodVery GoodVery GoodVery Good-39985
July 199395.0GoodVery GoodVery GoodExcellent-38450
December 199176.0FairSatisfactorySatisfactoryGoodFO36900