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


+41.85995, -87.64421
41°51'36" N, 87°38'39" 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:Wood or Timber [7]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:247,700 [as of 2018]
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]
Sufficiency rating:60.2
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$3,995,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairFairSatisfactoryGood24770060.2
July 2016FairFairSatisfactoryGood26000061.0
July 2014FairFairSatisfactoryGood26290061.0
August 2011FairFairSatisfactoryGood24300061.0
August 2009FairFairSatisfactoryGood23840061.0
January 2008FairFairSatisfactoryGood23900061.0
January 2006FairSatisfactorySatisfactoryGood28950062.0
March 2004FairFairGoodGood29490061.0
April 2002FairSatisfactorySatisfactoryGood28570079.0
May 2000FairSatisfactorySatisfactoryGood16950079.0
May 1998FairGoodSatisfactoryVery Good28640079.0
May 1996GoodGoodGoodVery Good30570079.0
May 1994GoodGoodGoodVery Good23150079.0
October 1993GoodGoodGoodVery Good25240079.0
July 1992GoodGoodGoodVery Good23900079.0
February 1991GoodGoodGoodVery Good23900079.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.5,6534,5069092380
Reinforced Concrete Decksq. ft.151,406128,45622,95000
Reinforced Concrete Columneach141140010
Reinforced Concrete Abutmentlinear ft.2822681400
Reinforced Concrete Pier Caplinear ft.1,7881,7335500
Strip Seal Jointlinear ft.69550140
Pourable Jointlinear ft.94200542400
Compression Jointlinear ft.135135000
Assembly without Seal Jointlinear ft.2702160540
Elastomeric Bearingeach20068120120
Movable Bearingeach2202200
Fixed Bearingeach6906900
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.5,7815,68110000