59TH ST over I- 90,94 RYAN & CTA


+41.78710, -87.63150
41°47'14" N, 87°37'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:59TH ST over I- 90,94 RYAN & CTA
Structure number:016115000000000
Old structure number:000016115026286 (from 1992 edition)
Location:5 M S I-55
Purpose:Carries highway overpass over highway and railroad
Route classification:Collector (Urban) [17]
Length of largest span:69.9 ft. [21.3 m]
Total length:339.9 ft. [103.6 m]
Roadway width between curbs:69.9 ft. [21.3 m]
Deck width edge-to-edge:85.0 ft. [25.9 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:2004
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:5
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,600 [as of 2014]
Truck traffic:13% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:79.1 tons [71.9 metric tons]
Inventory rating:47.4 tons [43.1 metric tons]
Sufficiency rating:86.9
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$2,738,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201686.9FairGoodGoodSatisfactoryFO10600
October 201486.9FairGoodVery GoodSatisfactoryFO10600
October 201288.8GoodGoodVery GoodGood-11700
October 201089.4GoodGoodVery GoodGood-11700
January 200989.4GoodGoodVery GoodGood-12200
January 200693.1GoodVery GoodVery GoodGoodFO18600
August 200478.9PoorPoorFairSatisfactorySD18600
October 200278.9PoorPoorFairSatisfactorySD18600
December 200079.0PoorPoorFairSatisfactorySD16400
December 199979.0PoorPoorFairSatisfactorySD16400
March 199879.0PoorPoorFairSatisfactorySD16400
August 199678.8PoorPoorFairSatisfactorySD19000
June 199490.4PoorPoorGoodSatisfactorySD19000
November 199379.4PoorPoorFairSatisfactorySD16400
July 199290.6PoorPoorGoodSatisfactorySD16400
February 199190.6PoorPoorGoodSatisfactorySD16400