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MICHIGAN AVE over I- 55 STEVENSON

Map 

Coordinates:
+41.84811, -87.62366
41°50'53" N, 87°37'25" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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:14.8 ft. [4.5 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 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,100 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Good [7 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]
Operating rating:68.4 tons [62.2 metric tons]
Inventory rating:43.5 tons [39.5 metric tons]
Sufficiency rating:79.7
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 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201679.7FairGoodFairGoodFO11100
November 201479.7FairGoodFairGoodFO11100
December 201292.7GoodGoodGoodGoodFO13400
January 201193.3GoodGoodGoodGoodFO13400
January 200993.2GoodGoodGoodGoodFO16300
December 200693.6GoodGoodGoodGoodFO8150
January 200375.8GoodGoodGoodGoodFO19400
July 199875.8GoodVery GoodVery GoodGoodFO18000
February 199676.3GoodVery GoodVery GoodGoodFO10500
January 199575.9GoodExcellentExcellentGoodFO10500
September 199374.9FairFairGoodSatisfactoryFO10500
August 199175.9FairSatisfactoryGoodSatisfactoryFO10500