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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Closed Web/Box Girderlinear ft.3,3007052,26030530
Steel Girder/Beamlinear ft.10,2848,2062,062160
Reinforced Concrete Decksq. ft.347,143306,18340,96000
Reinforced Concrete Columneach316316000
Reinforced Concrete Abutmentlinear ft.316309700
Steel Pier Caplinear ft.3,4766762,80000
Reinforced Concrete Pier Caplinear ft.4,0794,077200
Strip Seal Jointlinear ft.1,7101,710000
Pourable Jointlinear ft.1,707001,407300
Compression Jointlinear ft.584584000
Elastomeric Bearingeach535321150640
Movable Bearingeach122011930
Fixed Bearingeach2550239160
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.12,08410,87601,2080