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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

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.12,81012,810000
Deck
Reinforced Concrete Decksq. ft.162,043150,18311,86000
Substructure
Reinforced Concrete Columneach201201000
Reinforced Concrete Pier Walllinear ft.1,8741,874000
Reinforced Concrete Abutmentlinear ft.155155000
Reinforced Concrete Pier Caplinear ft.2,0292,029000
Joints
Strip Seal Jointlinear ft.147147000
Compression Jointlinear ft.10092080
Assembly with Sealeach309309000
Bearings
Elastomeric Bearingeach252244080
Fixed Bearingeach8686000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4,2604,260000