HARPER AVE over I-94


+42.38097, -83.03191
42°22'51" N, 83°01'55" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HARPER AVE over I-94
Structure number:000000000011223
Old structure number:82182024000S160 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Collector (Urban) [17]
Length of largest span:86.9 ft. [26.5 m]
Total length:170.9 ft. [52.1 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1958
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:2
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: June 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:317 [as of 2010]
Truck traffic:3% 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:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:75.6 tons [68.7 metric tons]
Inventory rating:45.2 tons [41.1 metric tons]
Sufficiency rating:86.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201686.0FairFairGoodFair-317
June 201479.9FairFairGoodFairFO317
June 201279.3FairFairGoodFairFO317
July 201065.3FairSatisfactoryGoodFairFO9250
July 200865.3FairSatisfactoryGoodFairFO9250
July 200665.3FairSatisfactoryGoodFairFO9250
July 200465.3FairSatisfactoryGoodFairFO9250
July 200265.3FairSatisfactoryGoodFairFO9250
July 200065.3FairSatisfactoryGoodFairFO9250
July 199863.3FairSatisfactoryVery GoodFairFO9250
June 199663.3FairSatisfactoryVery GoodFairFO9250
July 199473.3FairFairVery GoodSatisfactoryFO9250
June 199274.3FairSatisfactoryVery GoodSatisfactoryFO9250
May 199074.3FairSatisfactoryVery GoodSatisfactoryFO9250