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I- 55 EB STEVENSON over WESTERN AVE VIADUCT

Map

Coordinates:
+41.83316, -87.69172
41°49'59" N, 87°41'30" 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]
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016GoodGoodVery GoodVery Good8570087.0
October 2014GoodGoodVery GoodVery Good8505087.0
November 2012GoodGoodVery GoodVery Good34000069.0
January 2011GoodGoodVery GoodVery Good9230087.0
February 2009GoodGoodVery GoodVery Good10125087.0
February 2007GoodGoodVery GoodVery Good10030087.0
May 2005GoodGoodVery GoodVery Good9995087.0
June 2003GoodVery GoodVery GoodVery Good8495087.0
July 2001GoodVery GoodVery GoodVery Good6685089.0
November 1999GoodExcellentVery GoodVery Good7480088.2
January 1999PoorPoorFairPoor7270056.2
January 1998PoorPoorFairPoor7285056.2
February 1997PoorPoorFairPoor7060057.2
February 1995PoorPoorFairFair7500074.2
September 1993PoorPoorFairFair6725074.2
July 1991PoorPoorFairPoor6955058.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.12,81012,810000
Deck
Reinforced Concrete Decksq. ft.162,043150,12311,92000
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