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TO I-90 SKYWAY WB over STATE ST

Map

Coordinates:
+41.77501, -87.62511
41°46'30" N, 87°37'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:TO I-90 SKYWAY WB over STATE ST
Structure number:016641100000000
Old structure number:000016641103162 (from 1992 edition)
Location:AT 66TH P7C
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:131.9 ft. [40.2 m]
Total length:223.8 ft. [68.2 m]
Roadway width between curbs:44.3 ft. [13.5 m]
Deck width edge-to-edge:47.2 ft. [14.4 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:11°
Owner:City or Municipal Highway Agency [04]
Year built:1961
Year reconstructed:2005
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:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:17,000 [as of 2013]
Truck traffic:13% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
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:91.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,023,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201591.5GoodGoodVery GoodGoodFO17000
September 201391.5GoodGoodVery GoodVery GoodFO17000
September 201190.9GoodGoodVery GoodVery Good-21050
September 201090.5GoodVery GoodVery GoodVery Good-23950
September 200890.5GoodVery GoodVery GoodVery Good-23950
October 200790.5GoodVery GoodVery GoodVery Good-23850
November 200690.5GoodExcellentExcellentExcellent-23850
October 200457.3FairFairFairFairFO23850
October 200357.3FairFairFairFairFO23850
November 200156.9FairFairFairFairFO25650
August 200056.9FairFairFairFairFO25650
August 199957.6FairFairFairFairFO22550
August 199761.2FairFairFairSatisfactoryFO7550
August 199561.1FairFairFairSatisfactoryFO7550
August 199460.1FairFairFairSatisfactoryFO7550
November 199361.1FairFairFairSatisfactoryFO7550
May 199261.1FairFairFairSatisfactoryFO7550
October 199063.1FairFairFairSatisfactoryFO7550