I- 90,94 RYAN ELEV over 16TH TO 18TH STS


+41.85758, -87.64437
41°51'27" N, 87°38'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I- 90,94 RYAN ELEV over 16TH TO 18TH STS
Structure number:016111100000000
Old structure number:000016111126271 (from 1992 edition)
Location:1 M N I-55
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:104.7 ft. [31.9 m]
Total length:942.3 ft. [287.2 m]
Roadway width between curbs:126.0 ft. [38.4 m]
Deck width edge-to-edge:141.1 ft. [43.0 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:11
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:260,000 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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:57.4 tons [52.2 metric tons]
Inventory rating:36.7 tons [33.4 metric tons]
Sufficiency rating:61.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$3,995,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201661.0FairFairSatisfactoryGoodFO260000
July 201461.0FairFairSatisfactoryGoodFO262900
August 201161.0FairFairSatisfactoryGoodFO243000
August 200961.0FairFairSatisfactoryGoodFO238400
January 200861.0FairFairSatisfactoryGoodFO239000
January 200662.0FairSatisfactorySatisfactoryGoodFO289500
March 200461.0FairFairGoodGoodFO294900
April 200279.0FairSatisfactorySatisfactoryGoodFO285700
May 200079.0FairSatisfactorySatisfactoryGoodFO169500
May 199879.0FairGoodSatisfactoryVery GoodFO286400
May 199679.0GoodGoodGoodVery Good-305700
May 199479.0GoodGoodGoodVery Good-231500
October 199379.0GoodGoodGoodVery Good-252400
July 199279.0GoodGoodGoodVery Good-239000
February 199179.0GoodGoodGoodVery Good-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.725655401200
Steel Girder/Beamlinear ft.5,6535,233365550
Reinforced Concrete Decksq. ft.151,406128,80622,60000
Reinforced Concrete Columneach141140010
Reinforced Concrete Abutmentlinear ft.282282000
Reinforced Concrete Pier Caplinear ft.1,7881,7484000
Strip Seal Jointlinear ft.69550140
Pourable Jointlinear ft.94200542400
Compression Jointlinear ft.135135000
Assembly without Seal Jointlinear ft.2702520180
Elastomeric Bearingeach2006813200
Movable Bearingeach2202200
Fixed Bearingeach6906900
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.5,78105,78100