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I-90 SKYWAY over ST LAWRENCE AVE

Map 

Coordinates:
+41.76748, -87.61038
41°46'03" N, 87°36'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-90 SKYWAY over ST LAWRENCE AVE
Structure number:016630100000000
Old structure number:000016630103772 (from 1992 edition)
Location:AT 70TH P7C
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:125.7 ft. [38.3 m]
Total length:133.9 ft. [40.8 m]
Roadway width between curbs:103.7 ft. [31.6 m]
Deck width edge-to-edge:109.9 ft. [33.5 m]
Skew angle:44°
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:Equal to present minimum criteria [6]
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:93.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201593.2Not deficientSatisfactorySatisfactorySatisfactory34000
September 201393.2Not deficientGoodSatisfactorySatisfactory34000
September 201187.8Functionally obsoleteGoodSatisfactorySatisfactory42100
September 201086.9Functionally obsoleteGoodSatisfactorySatisfactory47900
September 200886.9Functionally obsoleteGoodSatisfactorySatisfactory47900
November 200787.0Functionally obsoleteGoodSatisfactorySatisfactory47700
November 200587.0Functionally obsoleteGoodSatisfactorySatisfactory47700
October 200487.0Functionally obsoleteGoodSatisfactorySatisfactory47700
November 200387.0Functionally obsoleteGoodGoodSatisfactory47700
November 200186.4Functionally obsoleteVery GoodSatisfactorySatisfactory51300
August 200086.4Functionally obsoleteVery GoodSatisfactorySatisfactory51300
September 199987.3Functionally obsoleteVery GoodSatisfactorySatisfactory45100
September 199792.1Functionally obsoleteVery GoodSatisfactoryGood12900
August 199596.1Not deficientVery GoodSatisfactoryGood12900
August 199496.1Not deficientVery GoodSatisfactoryGood12900
November 199383.7Not deficientFairFairFair12900
May 199283.7Not deficientFairFairFair12900
October 199083.7Not deficientFairFairFair12900