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

Good/Fair/Poor Condition:Fair
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201780.0FairGoodGoodSatisfactory-52645
March 201580.0GoodGoodGoodGood-52645
March 201387.8GoodVery GoodVery GoodGood-52645
February 201187.9GoodVery GoodVery GoodGood-51320
March 200987.5GoodVery GoodVery GoodVery Good-55345
March 200787.6GoodVery GoodExcellentVery Good-54650
February 200588.1GoodVery GoodExcellentVery Good-49573
June 200388.6GoodExcellentExcellentExcellent-44370
March 200188.3GoodExcellentExcellentExcellent-47225
July 199988.8GoodExcellentExcellentExcellent-42550
July 199788.9GoodExcellentExcellentExcellent-40950
August 199592.0GoodExcellentExcellentExcellent-12900