Share:

I-90 SKYWAY over 76TH ST,NI PL & ICRR

Map 

Coordinates:
+41.75678, -87.59577
41°45'24" N, 87°35'45" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-90 SKYWAY over 76TH ST,NI PL & ICRR
Structure number:016644200000000
Old structure number:000016644203982 (from 1992 edition)
Location:0.18 M SE 75TH P7C
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:290.0 ft. [88.4 m]
Total length:671.6 ft. [204.7 m]
Roadway width between curbs:75.5 ft. [23.0 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:2002
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:3
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 2015 

Status:Open, no restriction [A]
Average daily traffic:34,000 [as of 2013]
Truck traffic:13% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:71.6 tons [65.1 metric tons]
Inventory rating:42.8 tons [38.9 metric tons]
Sufficiency rating:83.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$8,829,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201583.0Not deficientGoodSatisfactoryGood34000
September 201383.0Not deficientGoodSatisfactorySatisfactory34000
September 201183.0Not deficientVery GoodSatisfactoryGood42100
September 201072.0Not deficientVery GoodFairGood47900
September 200872.0Not deficientVery GoodFairGood47900
November 200772.0Not deficientVery GoodFairGood47700
November 200570.0Functionally obsoleteVery GoodFairGood47700
October 200470.0Functionally obsoleteVery GoodFairGood47700
October 200378.8Functionally obsoleteVery GoodSatisfactorySatisfactory47700
August 200050.2Structurally deficientPoorFairPoor51300
September 199950.2Structurally deficientPoorFairPoor45100
September 199788.1Functionally obsoleteSatisfactorySatisfactorySatisfactory12900
August 199587.0Functionally obsoleteSatisfactorySatisfactorySatisfactory12900
August 199487.0Functionally obsoleteSatisfactorySatisfactorySatisfactory12900
November 199387.0Functionally obsoleteSatisfactorySatisfactorySatisfactory12900
May 199275.2Functionally obsoleteSatisfactorySatisfactoryFair12900
October 199076.1Functionally obsoleteFairSatisfactoryFair12900