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MICHIGAN AVE over VARIOUS CITY STREETS

Map

Coordinates:
+41.88000, -87.62000
41°52'48" N, 87°37'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MICHIGAN AVE over VARIOUS CITY STREETS
Structure number:016612100000000
Old structure number:000016612126642 (from 1992 edition)
Location:100E.& 340N.TO 200N.
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:47.9 ft. [14.6 m]
Total length:902.9 ft. [275.2 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:127.6 ft. [38.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1921
Year reconstructed:1998
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:35
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:38,200 [as of 2018]
Truck traffic:4% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:60.6
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$18,015,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairFairGoodFair3820060.6
December 2016FairFairGoodGood3970076.0
December 2014FairFairGoodGood3970076.0
January 2013FairFairGoodGood3790076.0
January 2011FairFairGoodGood3790076.0
July 2008FairFairGoodGood3330076.0
July 2006GoodGoodGoodGood3330077.0
July 2004GoodGoodGoodGood4370077.0
August 2002GoodGoodGoodGood4370077.0
July 2000FairFairFairFair3390065.0
November 1998GoodVery GoodGoodGood3390077.0
July 1995PoorPoorPoorPoor3390047.0
March 1994PoorPoorPoorPoor3390047.0
August 1992PoorPoorPoorPoor3390065.0
December 1990PoorPoorFairSatisfactory3390081.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.5,4184,2928133130
Deck
Reinforced Concrete Decksq. ft.107,58450,53253,7573,22570
Substructure
Steel Columneach434303872222
Reinforced Concrete Columneach43436943220
Reinforced Concrete Abutmentlinear ft.2552292600
Steel Pier Caplinear ft.9,1806,3801,83688579
Reinforced Concrete Pier Caplinear ft.2472222500
Joints
Strip Seal Jointlinear ft.4623215925120
Compression Jointlinear ft.1,7611,32144000
Bearings
Elastomeric Bearingeach10100
Fixed Bearingeach27017100