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

Good/Fair/Poor Condition:Fair
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201585.3FairSatisfactorySatisfactorySatisfactory-34000
September 201385.3FairGoodSatisfactorySatisfactory-34000
September 201183.0FairGoodSatisfactorySatisfactory-42100
September 201083.0FairGoodSatisfactorySatisfactory-47900
September 200883.0FairGoodSatisfactorySatisfactory-47900
November 200783.0FairGoodSatisfactorySatisfactory-47700
November 200583.0FairGoodSatisfactorySatisfactory-47700
November 200483.0FairSatisfactorySatisfactorySatisfactory-47700
November 200383.0FairGoodSatisfactorySatisfactory-47700
October 200183.0FairGoodSatisfactoryGood-51300
August 200083.0FairGoodSatisfactoryGood-51300
October 199983.0FairGoodSatisfactoryGood-45100
September 199791.0FairVery GoodSatisfactoryGood-12900
August 199591.0FairVery GoodSatisfactoryGood-12900
August 199491.0FairVery GoodSatisfactoryGood-12900
November 199378.2FairFairFairFair-12900
May 199278.2FairFairFairFair-12900
October 199080.2FairFairFairFair-12900