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I-90 SKYWAY over CONRAIL RR

Map

Coordinates:
+41.71533, -87.53901
41°42'55" N, 87°32'20" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:I-90 SKYWAY over CONRAIL RR
Structure number:016642100000000
Old structure number:000016642105741 (from 1992 edition)
Location:0.19 M NW 100TH
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:155.2 ft. [47.3 m]
Total length:404.9 ft. [123.4 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:49.9 ft. [15.2 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]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Truss - Deck [09]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 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:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:71.0 tons [64.5 metric tons]
Inventory rating:42.5 tons [38.6 metric tons]
Sufficiency rating:72.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$5,325,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201572.0FairGoodFairGood-34000
September 201372.0FairGoodFairVery Good-34000
September 201167.0FairVery GoodFairVery Good-42100
October 200967.0FairVery GoodFairVery Good-47900
September 200867.0FairVery GoodFairVery Good-47900
September 200767.0FairVery GoodFairVery Good-47700
November 200567.0FairExcellentFairVery Good-47700
October 200467.0FairExcellentFairVery Good-47700
October 200345.8PoorPoorPoorPoorSD47700
September 200145.8PoorPoorPoorFairSD51300
October 200045.8PoorPoorPoorFairSD51300
September 199945.8PoorPoorPoorFairSD45100
September 199762.9FairFairFairFairFO24900
June 199570.1FairFairFairFair-25100
August 199470.1FairFairFairFair-25100
October 199370.1FairFairFairFair-25100
May 199271.7FairSatisfactorySatisfactoryFair-24200
November 199086.2FairSatisfactorySatisfactorySatisfactory-24200