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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.2,0402,040000
Reinforced Concrete Decksq. ft.29,11428,1141,00000
Reinforced Concrete Columneach3434000
Reinforced Concrete Pier Walllinear ft.246245010
Reinforced Concrete Abutmentlinear ft.170170000
Reinforced Concrete Pier Caplinear ft.416413120
Strip Seal Jointlinear ft.505050500
Elastomeric Bearingeach60362400
Fixed Bearingeach22000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.678678000
Reinforced Concrete Bridge Raillinear ft.755755000