Share:

I- 90,94 RYAN ELEV over S BR CHI RIVER

Map 

Coordinates:
+41.84974, -87.64451
41°50'59" N, 87°38'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I- 90,94 RYAN ELEV over S BR CHI RIVER
Structure number:016111400000000
Old structure number:000016111426274 (from 1992 edition)
Location:0.2 M N I-55
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:220.2 ft. [67.1 m]
Total length:517.1 ft. [157.6 m]
Roadway width between curbs:144.0 ft. [43.9 m]
Deck width edge-to-edge:148.0 ft. [45.1 m]
Vertical clearance below bridge:60.0 ft. [18.3 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:3
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:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Operating rating:65.6 tons [59.6 metric tons]
Inventory rating:38.8 tons [35.3 metric tons]
Sufficiency rating:73.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201573.0Not deficientFairFairSatisfactory182300
August 201373.0Not deficientFairFairSatisfactory180300
August 201173.0Not deficientFairFairSatisfactory166400
August 200973.0Not deficientFairFairGood167500
January 200874.0Not deficientSatisfactoryFairGood153000
January 200674.0Not deficientGoodFairGood203600
March 200474.0Not deficientGood--213900
May 200273.0Not deficientGoodFairGood212300
June 200073.0Not deficientGoodFairGood169500
June 199873.0Not deficientGoodFairGood210800
December 199684.0Not deficientGoodGoodVery Good289000
June 199474.0Not deficientGoodFairVery Good243000
October 199385.0Not deficientGoodSatisfactoryVery Good252400
July 199285.0Not deficientGoodGoodVery Good239000
February 199185.0Not deficientGoodGoodVery Good239000