NB-I480 over I-480 RMP 40


+41.22900, -95.95529
41°13'44" N, 95°57'19" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:NB-I480 over I-480 RMP 40
Structure number:S480 00019R
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:111.9 ft. [34.1 m]
Total length:115.2 ft. [35.1 m]
Roadway width between curbs:62.3 ft. [19.0 m]
Deck width edge-to-edge:65.0 ft. [19.8 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:56°
Owner:State Highway Agency [01]
Year built:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017 

Status:Open, no restriction [A]
Average daily traffic:52,645 [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:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present desirable criteria [8]
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:98.8 tons [89.8 metric tons]
Inventory rating:63.9 tons [58.1 metric tons]
Sufficiency rating:80.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201780.0Not deficientGoodGoodSatisfactory52645
March 201580.0Not deficientGoodGoodGood52645
March 201387.8Not deficientVery GoodVery GoodGood52645
February 201187.9Not deficientVery GoodVery GoodGood51320
March 200987.5Not deficientVery GoodVery GoodVery Good55345
March 200787.6Not deficientVery GoodExcellentVery Good54650
February 200588.1Not deficientVery GoodExcellentVery Good49573
June 200388.6Not deficientExcellentExcellentExcellent44370
March 200188.3Not deficientExcellentExcellentExcellent47225
July 199988.8Not deficientExcellentExcellentExcellent42550
July 199788.9Not deficientExcellentExcellentExcellent40950
August 199592.0Not deficientExcellentExcellentExcellent12900