Share:

87TH ST over I- 94 RYAN & CTA

Map 

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

Facts 

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: September 2016 

Good/Fair/Poor Condition:Fair
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201694.5FairGoodGoodSatisfactory-25500
October 201494.5FairGoodGoodSatisfactory-25500
October 201277.0FairGoodVery GoodSatisfactory-30400
November 201095.5GoodGoodVery GoodGood-30400
March 200995.8GoodGoodVery GoodGood-24900
April 200793.8GoodGoodVery GoodGoodFO24900
February 200693.3GoodGoodVery GoodGood-34600
September 200493.3GoodGoodVery GoodGood-34600
October 200293.3GoodGoodVery GoodGood-34600
October 200093.5GoodGoodVery GoodGood-30600
October 199993.5GoodVery GoodVery GoodVery Good-30600
December 199793.4GoodVery GoodVery GoodVery Good-32000
February 199743.0PoorPoorPoorSeriousSD32000
June 199544.2PoorFairFairSeriousSD32000
June 199444.2PoorFairFairSeriousSD32000
November 199346.8PoorFairFairSeriousSD17500
March 199246.8PoorFairFairSeriousSD17500