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I- 90,94 RYAN ELEV over S BR CHGO RIV TO CAN

Map 

Coordinates:
+41.84971, -87.64426
41°50'59" N, 87°38'39" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I- 90,94 RYAN ELEV over S BR CHGO RIV TO CAN
Structure number:016111500000000
Old structure number:000016111526275 (from 1992 edition)
Location:2 M S I-290
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:147.6 ft. [45.0 m]
Total length:1961.7 ft. [597.9 m]
Roadway width between curbs:124.0 ft. [37.8 m]
Deck width edge-to-edge:148.0 ft. [45.1 m]
Vertical clearance below bridge:18.0 ft. [5.5 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:22
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: August 2015 

Status:Open, no restriction [A]
Average daily traffic:182,300 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:64.5 tons [58.6 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:68.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$28,692,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201568.0Functionally obsoleteFairFairFair182300
August 201368.0Functionally obsoleteFairFairFair180300
August 201168.0Functionally obsoleteFairFairFair166400
September 200968.0Functionally obsoleteFairFairFair167500
September 200852.0Structurally deficientFairPoorPoor162000
March 200852.0Structurally deficientFairPoorPoor153000
January 200653.0Structurally deficientGoodFairPoor203600
May 200469.0Functionally obsoleteGoodFairFair213900
May 200269.0Functionally obsoleteGoodFairFair212300
June 200069.0Functionally obsoleteGoodFairFair169500
June 199869.0Functionally obsoleteGoodFairFair210800
June 199669.0Not deficientGoodGoodFair289000
May 199470.0Not deficientGoodSatisfactoryFair243000
October 199370.0Not deficientGoodSatisfactoryFair252400
July 199270.0Not deficientGoodGoodFair239000
February 199170.0Not deficientGoodGoodFair239000