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MICHIGAN AVE over VARIOUS CITY STREETS

Map

Coordinates:
+41.88826, -87.62439
41°53'18" N, 87°37'28" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

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:10.2 ft. [3.1 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:33
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: December 2014

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:39,700 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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]
Operating rating:48.8 tons [44.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:76.0
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201476.0FairFairGoodGoodFO39700
January 201376.0FairFairGoodGoodFO37900
January 201176.0FairFairGoodGoodFO37900
July 200876.0FairFairGoodGoodFO33300
July 200677.0GoodGoodGoodGood-33300
July 200477.0GoodGoodGoodGood-43700
August 200277.0GoodGoodGoodGood-43700
July 200065.0FairFairFairFair-33900
November 199877.0GoodVery GoodGoodGood-33900
July 199547.0PoorPoorPoorPoorSD33900
March 199447.0PoorPoorPoorPoorSD33900
August 199265.0PoorPoorPoorPoorSD33900
December 199081.0PoorPoorFairSatisfactorySD33900