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I- 55 EB STEVENSON over WESTERN AVE VIADUCT

Map

Coordinates:
+41.83536, -87.68456
41°50'07" N, 87°41'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:I- 55 EB STEVENSON over WESTERN AVE VIADUCT
Structure number:016105800000000
Old structure number:000016105826248 (from 1992 edition)
Location:2.5 M SW DAN RYAN
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:117.5 ft. [35.8 m]
Total length:2134.9 ft. [650.7 m]
Roadway width between curbs:68.9 ft. [21.0 m]
Deck width edge-to-edge:72.2 ft. [22.0 m]
Skew angle:21°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:1999
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:27
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 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:85,700 [as of 2016]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:79.5 tons [72.3 metric tons]
Inventory rating:47.7 tons [43.4 metric tons]
Sufficiency rating:87.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$13,679,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201687.0GoodGoodVery GoodVery GoodFO85700
October 201487.0GoodGoodVery GoodVery GoodFO85050
November 201269.0GoodGoodVery GoodVery GoodFO340000
January 201187.0GoodGoodVery GoodVery GoodFO92300
February 200987.0GoodGoodVery GoodVery GoodFO101250
February 200787.0GoodGoodVery GoodVery Good-100300
May 200587.0GoodGoodVery GoodVery Good-99950
June 200387.0GoodVery GoodVery GoodVery Good-84950
July 200189.0GoodVery GoodVery GoodVery GoodFO66850
November 199988.2GoodExcellentVery GoodVery GoodFO74800
January 199956.2PoorPoorFairPoorSD72700
January 199856.2PoorPoorFairPoorSD72850
February 199757.2PoorPoorFairPoorSD70600
February 199574.2PoorPoorFairFairSD75000
September 199374.2PoorPoorFairFairSD67250
July 199158.2PoorPoorFairPoorSD69550