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I-90 SKYWAY over COMMERCIAL AVE

Map 

Coordinates:
+41.72503, -87.55112
41°43'30" N, 87°33'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-90 SKYWAY over COMMERCIAL AVE
Structure number:016641300000000
Old structure number:000016641303227 (from 1992 edition)
Location:AT COMMERCIAL AVE
Purpose:Carries highway over highway
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]
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:Good [7 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: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:63.8 tons [58.0 metric tons]
Inventory rating:38.2 tons [34.7 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:$2,459,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201584.0Functionally obsoleteGoodSatisfactorySatisfactory34000
September 201384.0Functionally obsoleteGoodSatisfactorySatisfactory34000
September 201181.6Not deficientGoodGoodGood42100
October 201081.0Not deficientGoodGoodGood47900
September 200881.0Not deficientGoodGoodVery Good47900
September 200781.0Not deficientGoodGoodVery Good47700
October 200581.0Functionally obsoleteExcellentGoodVery Good47700
October 200481.0Functionally obsoleteExcellentGoodVery Good47700
October 200363.0Structurally deficientPoorFairExcellent47700
October 200146.2Structurally deficientPoorFairPoor51300
August 200046.2Structurally deficientPoorFairPoor51300
September 199964.2Functionally obsoleteFairSatisfactoryFair45100
September 199781.4Functionally obsoleteGoodSatisfactoryVery Good24900
June 199568.4Functionally obsoleteSatisfactoryFairVery Good25100
August 199468.4Functionally obsoleteSatisfactoryFairVery Good25100
October 199368.4Functionally obsoleteSatisfactoryFairVery Good25100
May 199268.8Functionally obsoleteSatisfactoryFairSatisfactory24200
October 199070.8Functionally obsoleteSatisfactoryFairVery Good24200