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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:211,900 [as of 2016]
Truck traffic:8% 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]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201666.0FairSatisfactoryFairSatisfactoryFO211900
July 201466.0FairSatisfactoryFairSatisfactoryFO262900
July 201366.0FairSatisfactoryFairSatisfactoryFO252800
August 201168.0FairSatisfactoryFairSatisfactoryFO243000
August 200968.0FairSatisfactoryFairSatisfactoryFO238400
January 200868.0FairSatisfactoryFairSatisfactoryFO239000
January 200668.0FairSatisfactoryFairSatisfactoryFO289500
May 200468.0FairSatisfactoryFairFairFO294900
May 200268.0FairSatisfactoryFairFairFO285700
May 200068.0FairSatisfactoryFairFairFO169500
June 199868.0FairGoodFairFairFO286400
May 199668.0FairGoodGoodFair-305700
May 199469.0FairGoodGoodFair-231500
October 199369.0FairGoodGoodFair-252400
July 199269.0FairGoodGoodFair-239000
February 199180.0FairGoodGoodSatisfactory-239000