Share:

I- 55 EB ELEVATED over ASHLAND AVE VIADUCT

Map

Coordinates:
+41.83819, -87.66576
41°50'17" N, 87°39'57" 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 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:65,350 [as of 2015]
Truck traffic:9% 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: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]
Operating rating:68.8 tons [62.5 metric tons]
Inventory rating:41.4 tons [37.6 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201594.0GoodGoodVery GoodVery GoodFO65350
August 201394.0GoodGoodVery GoodVery GoodFO64850
August 201194.0GoodGoodVery GoodVery GoodFO70900
September 200994.0GoodGoodVery GoodVery GoodFO78400
October 200794.0GoodGoodVery GoodVery GoodFO75250
October 200589.0GoodGoodVery GoodVery GoodFO74000
September 200389.0GoodVery GoodVery GoodVery GoodFO64850
December 200189.0GoodVery GoodVery GoodVery GoodFO54050
November 199985.9GoodExcellentVery GoodVery GoodFO58200
January 199952.9PoorSeriousFairPoorSD57350
January 199852.9PoorSeriousFairPoorSD56250
February 199752.9PoorSeriousFairPoorSD66900
February 199571.9PoorPoorFairFairSD68700
September 199371.9PoorPoorFairFairSD62200
July 199159.0PoorPoorPoorPoorSD61350

Element Data

Source: National Bridge Elements dataset, 2016 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.196,613190,8635,75000
Substructure
Reinforced Concrete Columneach210210000
Reinforced Concrete Pier Walllinear ft.3,0053,004010
Reinforced Concrete Abutmentlinear ft.135135000
Reinforced Concrete Pier Caplinear ft.3,1403,1152500
Joints
Strip Seal Jointlinear ft.64244000
Assembly with Sealeach385385000
Bearings
Elastomeric Bearingeach323032300
Fixed Bearingeach5205200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4,98704,907800