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I-90 SKYWAY over CHGO.SHORT LINE RR

Map 

Coordinates:
+41.72354, -87.54958
41°43'25" N, 87°32'58" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-90 SKYWAY over CHGO.SHORT LINE RR
Structure number:016641500000000
Old structure number:000016641503284 (from 1992 edition)
Location:0.13 M SE COMM AV
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:186.4 ft. [56.8 m]
Total length:188.3 ft. [57.4 m]
Roadway width between curbs:77.4 ft. [23.6 m]
Deck width edge-to-edge:83.0 ft. [25.3 m]
Vertical clearance below bridge:30.8 ft. [9.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:2003
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: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:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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:65.6 tons [59.6 metric tons]
Inventory rating:39.2 tons [35.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:84.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,049,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201584.0Functionally obsoleteSatisfactorySatisfactoryVery Good34000
September 201384.0Functionally obsoleteGoodSatisfactoryVery Good34000
September 201181.6Not deficientVery GoodGoodVery Good42100
October 201081.0Not deficientVery GoodGoodVery Good47900
September 200881.0Not deficientVery GoodGoodVery Good47900
September 200781.0Not deficientVery GoodSatisfactoryVery Good47700
November 200581.0Functionally obsoleteExcellentSatisfactoryExcellent47700
October 200481.0Functionally obsoleteExcellentSatisfactoryExcellent47700
October 200367.0Structurally deficientPoorFairExcellent47700
October 200150.2Structurally deficientPoorFairPoor51300
September 200050.2Structurally deficientPoorFairPoor51300
October 199968.2Functionally obsoleteFairFairFair45100
September 199736.2Structurally deficientGoodSatisfactorySerious24900
June 199573.0Functionally obsoleteSatisfactoryFairVery Good25100
August 199473.0Functionally obsoleteSatisfactoryFairVery Good25100
October 199373.0Functionally obsoleteSatisfactoryFairVery Good25100
May 199273.3Functionally obsoleteSatisfactoryFairFair24200
October 199074.2Functionally obsoleteSatisfactoryFairFair24200