I- 90,94 RYAN ELEV over 18TH TO 22ND STS


+41.85759, -87.64407
41°51'27" N, 87°38'39" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I- 90,94 RYAN ELEV over 18TH TO 22ND STS
Structure number:016111200000000
Old structure number:000016111226272 (from 1992 edition)
Location:0.8 M N I-55
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:96.1 ft. [29.3 m]
Total length:1714.0 ft. [522.4 m]
Roadway width between curbs:133.9 ft. [40.8 m]
Deck width edge-to-edge:158.1 ft. [48.2 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:1989
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:21
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: July 2014 

Status:Open, no restriction [A]
Average daily traffic:262,900 [as of 2014]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:61.3 tons [55.7 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:66.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$29,247,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201466.0Functionally obsoleteSatisfactoryFairSatisfactory262900
July 201366.0Functionally obsoleteSatisfactoryFairSatisfactory252800
August 201168.0Functionally obsoleteSatisfactoryFairSatisfactory243000
August 200968.0Functionally obsoleteSatisfactoryFairSatisfactory238400
January 200868.0Functionally obsoleteSatisfactoryFairSatisfactory239000
January 200668.0Functionally obsoleteSatisfactoryFairSatisfactory289500
May 200468.0Functionally obsoleteSatisfactoryFairFair294900
May 200268.0Functionally obsoleteSatisfactoryFairFair285700
May 200068.0Functionally obsoleteSatisfactoryFairFair169500
June 199868.0Functionally obsoleteGoodFairFair286400
May 199668.0Not deficientGoodGoodFair305700
May 199469.0Not deficientGoodGoodFair231500
October 199369.0Not deficientGoodGoodFair252400
July 199269.0Not deficientGoodGoodFair239000
February 199180.0Not deficientGoodGoodSatisfactory239000