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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

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,3421,339300
Deck
Reinforced Concrete Decksq. ft.11,8479,0432,80400
Substructure
Reinforced Concrete Columneach55000
Reinforced Concrete Pier Walllinear ft.6262000
Reinforced Concrete Abutmentlinear ft.9689340
Reinforced Concrete Pier Caplinear ft.158155300
Bearings
Fixed Bearingeach80800
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.713713000