I480/US75 over N38


+41.23900, -95.95396
41°14'20" N, 95°57'14" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I480/US75 over N38
Structure number:S480 00088R
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 2015 

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. ratingEvaluationDeckSuper.Sub.ADT
March 201595.3Not deficientGoodGoodGood52500
March 201395.3Not deficientVery GoodVery GoodGood52500
February 201195.2Not deficientVery GoodVery GoodGood49265
March 200995.2Not deficientVery GoodVery GoodGood55798
March 200796.0Not deficientVery GoodVery GoodGood51550
March 200596.0Not deficientVery GoodVery GoodGood48760
June 200396.0Not deficientVery GoodVery GoodGood42145
March 200196.0Not deficientVery GoodVery GoodGood44965
July 199996.0Not deficientVery GoodVery GoodGood43175
July 199796.0Not deficientVery GoodVery GoodGood41575
July 199596.0Not deficientVery GoodVery GoodVery Good39985
July 199395.0Not deficientVery GoodVery GoodExcellent38450
December 199176.0Functionally obsoleteSatisfactorySatisfactorySatisfactory36900