Share:

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 

Good/Fair/Poor Condition:Fair
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]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201568.0FairFairFairFairFO182300
August 201368.0FairFairFairFairFO180300
August 201168.0FairFairFairFairFO166400
September 200968.0FairFairFairFairFO167500
September 200852.0PoorFairPoorPoorSD162000
March 200852.0PoorFairPoorPoorSD153000
January 200653.0PoorGoodFairPoorSD203600
May 200469.0FairGoodFairFairFO213900
May 200269.0FairGoodFairFairFO212300
June 200069.0FairGoodFairFairFO169500
June 199869.0FairGoodFairFairFO210800
June 199669.0FairGoodGoodFair-289000
May 199470.0FairGoodSatisfactoryFair-243000
October 199370.0FairGoodSatisfactoryFair-252400
July 199270.0FairGoodGoodFair-239000
February 199170.0FairGoodGoodFair-239000