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MICHIGAN AVE over I- 55 STEVENSON

Map

Coordinates:
+41.84785, -87.62369
41°50'52" N, 87°37'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MICHIGAN AVE over I- 55 STEVENSON
Structure number:016018400000000
Old structure number:000016018403973 (from 1992 edition)
Location:1 M E I-90,94
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:83.0 ft. [25.3 m]
Total length:215.2 ft. [65.6 m]
Roadway width between curbs:64.0 ft. [19.5 m]
Deck width edge-to-edge:80.1 ft. [24.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1994
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:2
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 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:9,950 [as of 2018]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:79.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,221,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairSatisfactoryFairGood995079.8
October 2016FairGoodFairGood1110079.7
November 2014FairGoodFairGood1110079.7
December 2012GoodGoodGoodGood1340092.7
January 2011GoodGoodGoodGood1340093.3
January 2009GoodGoodGoodGood1630093.2
December 2006GoodGoodGoodGood815093.6
January 2003GoodGoodGoodGood1940075.8
July 1998GoodVery GoodVery GoodGood1800075.8
February 1996GoodVery GoodVery GoodGood1050076.3
January 1995GoodExcellentExcellentGood1050075.9
September 1993FairFairGoodSatisfactory1050074.9
August 1991FairSatisfactoryGoodSatisfactory1050075.9