I-90 SKYWAY over 73RD ST


+41.76211, -87.60315
41°45'44" N, 87°36'11" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-90 SKYWAY over 73RD ST
Structure number:016640300000000
Old structure number:000016640304336 (from 1992 edition)
Location:1.5 M SE I94 P7C
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:145.7 ft. [44.4 m]
Total length:155.2 ft. [47.3 m]
Roadway width between curbs:99.7 ft. [30.4 m]
Deck width edge-to-edge:106.0 ft. [32.3 m]
Skew angle:45°
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:1994
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]

Latest Available Inspection: August 2015 

Status:Open, no restriction [A]
Average daily traffic:34,000 [as of 2013]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:48.8 tons [44.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:85.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201585.3Not deficientSatisfactorySatisfactorySatisfactory34000
September 201385.3Not deficientGoodSatisfactorySatisfactory34000
September 201183.0Not deficientGoodSatisfactorySatisfactory42100
September 201083.0Not deficientGoodSatisfactorySatisfactory47900
September 200883.0Not deficientGoodSatisfactorySatisfactory47900
November 200783.0Not deficientGoodSatisfactorySatisfactory47700
November 200583.0Not deficientGoodSatisfactorySatisfactory47700
November 200483.0Not deficientSatisfactorySatisfactorySatisfactory47700
November 200383.0Not deficientGoodSatisfactorySatisfactory47700
October 200183.0Not deficientGoodSatisfactoryGood51300
August 200083.0Not deficientGoodSatisfactoryGood51300
October 199983.0Not deficientGoodSatisfactoryGood45100
September 199791.0Not deficientVery GoodSatisfactoryGood12900
August 199591.0Not deficientVery GoodSatisfactoryGood12900
August 199491.0Not deficientVery GoodSatisfactoryGood12900
November 199378.2Not deficientFairFairFair12900
May 199278.2Not deficientFairFairFair12900
October 199080.2Not deficientFairFairFair12900