87TH ST over I- 94 RYAN & CTA


+41.73635, -87.62496
41°44'11" N, 87°37'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:87TH ST over I- 94 RYAN & CTA
Structure number:016114200000000
Old structure number:000016114226279 (from 1992 edition)
Location:1 M N US 12,20
Purpose:Carries highway overpass over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:74.5 ft. [22.7 m]
Total length:192.6 ft. [58.7 m]
Roadway width between curbs:90.9 ft. [27.7 m]
Deck width edge-to-edge:108.6 ft. [33.1 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Owner:State Highway Agency [01]
Year built:1959
Year reconstructed:1997
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]

Latest Available Inspection: October 2014 

Status:Open, no restriction [A]
Average daily traffic:25,500 [as of 2014]
Truck traffic:15% 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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:71.6 tons [65.1 metric tons]
Inventory rating:43.1 tons [39.2 metric tons]
Sufficiency rating:94.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201494.5Not deficientGoodGoodSatisfactory25500
October 201277.0Not deficientGoodVery GoodSatisfactory30400
November 201095.5Not deficientGoodVery GoodGood30400
March 200995.8Not deficientGoodVery GoodGood24900
April 200793.8Functionally obsoleteGoodVery GoodGood24900
February 200693.3Not deficientGoodVery GoodGood34600
September 200493.3Not deficientGoodVery GoodGood34600
October 200293.3Not deficientGoodVery GoodGood34600
October 200093.5Not deficientGoodVery GoodGood30600
October 199993.5Not deficientVery GoodVery GoodVery Good30600
December 199793.4Not deficientVery GoodVery GoodVery Good32000
February 199743.0Structurally deficientPoorPoorSerious32000
June 199544.2Structurally deficientFairFairSerious32000
June 199444.2Structurally deficientFairFairSerious32000
November 199346.8Structurally deficientFairFairSerious17500
March 199246.8Structurally deficientFairFairSerious17500