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I- 55 EB ELEVATED over ASHLAND AVE VIADUCT

Map

Coordinates:
+41.83706, -87.67441
41°50'13" N, 87°40'28" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I- 55 EB ELEVATED over ASHLAND AVE VIADUCT
Structure number:016108400000000
Old structure number:000016108426256 (from 1992 edition)
Location:2.6 M SW I-90,94
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:131.6 ft. [40.1 m]
Total length:2510.3 ft. [765.1 m]
Roadway width between curbs:62.0 ft. [18.9 m]
Deck width edge-to-edge:65.3 ft. [19.9 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:2000
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:31
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: August 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:66,750 [as of 2017]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:94.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$10,356,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodVery GoodGood6675094.0
August 2015GoodGoodVery GoodVery Good6535094.0
August 2013GoodGoodVery GoodVery Good6485094.0
August 2011GoodGoodVery GoodVery Good7090094.0
September 2009GoodGoodVery GoodVery Good7840094.0
October 2007GoodGoodVery GoodVery Good7525094.0
October 2005GoodGoodVery GoodVery Good7400089.0
September 2003GoodVery GoodVery GoodVery Good6485089.0
December 2001GoodVery GoodVery GoodVery Good5405089.0
November 1999GoodExcellentVery GoodVery Good5820085.9
January 1999PoorSeriousFairPoor5735052.9
January 1998PoorSeriousFairPoor5625052.9
February 1997PoorSeriousFairPoor6690052.9
February 1995PoorPoorFairFair6870071.9
September 1993PoorPoorFairFair6220071.9
July 1991PoorPoorPoorPoor6135059.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.15,06115,061000
Prestressed Concrete Girder/Beamlinear ft.354354000
Deck
Reinforced Concrete Decksq. ft.196,613190,1136,50000
Substructure
Reinforced Concrete Columneach210210000
Reinforced Concrete Pier Walllinear ft.3,0053,000320
Reinforced Concrete Abutmentlinear ft.135132300
Reinforced Concrete Pier Caplinear ft.3,1403,1004000
Joints
Strip Seal Jointlinear ft.64224200
Assembly with Sealeach385385000
Bearings
Elastomeric Bearingeach323032300
Fixed Bearingeach5205200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4,98704,907800