Share:

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

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: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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201593.2FairSatisfactorySatisfactorySatisfactory-34000
September 201393.2FairGoodSatisfactorySatisfactory-34000
September 201187.8FairGoodSatisfactorySatisfactoryFO42100
September 201086.9FairGoodSatisfactorySatisfactoryFO47900
September 200886.9FairGoodSatisfactorySatisfactoryFO47900
November 200787.0FairGoodSatisfactorySatisfactoryFO47700
November 200587.0FairGoodSatisfactorySatisfactoryFO47700
October 200487.0FairGoodSatisfactorySatisfactoryFO47700
November 200387.0FairGoodGoodSatisfactoryFO47700
November 200186.4FairVery GoodSatisfactorySatisfactoryFO51300
August 200086.4FairVery GoodSatisfactorySatisfactoryFO51300
September 199987.3FairVery GoodSatisfactorySatisfactoryFO45100
September 199792.1FairVery GoodSatisfactoryGoodFO12900
August 199596.1FairVery GoodSatisfactoryGood-12900
August 199496.1FairVery GoodSatisfactoryGood-12900
November 199383.7FairFairFairFair-12900
May 199283.7FairFairFairFair-12900
October 199083.7FairFairFairFair-12900