HARPER AVE over I-94


+42.40909, -82.94821
42°24'33" N, 82°56'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:HARPER AVE over I-94
Structure number:000000000011256
Old structure number:82182025000S110 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:89.9 ft. [27.4 m]
Total length:257.9 ft. [78.6 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:50°
Owner:State Highway Agency [01]
Year built:1959
Year reconstructed:1997
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: June 2014 

Status:Open, no restriction [A]
Average daily traffic:9,250 [as of 1978]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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 corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:84.7 tons [77.0 metric tons]
Inventory rating:49.0 tons [44.5 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:63.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201463.8Functionally obsoleteSatisfactoryFairSatisfactory9250
June 201263.8Functionally obsoleteSatisfactoryFairSatisfactory9250
June 201075.2Functionally obsoleteGoodSatisfactorySatisfactory9250
July 200875.2Functionally obsoleteGoodSatisfactorySatisfactory9250
July 200675.2Functionally obsoleteGoodSatisfactorySatisfactory9250
July 200475.2Not deficientGoodSatisfactorySatisfactory9250
September 200375.2Not deficientGoodSatisfactorySatisfactory9250
October 200175.2Not deficientGoodSatisfactorySatisfactory9250
July 200075.2Not deficientVery GoodSatisfactorySatisfactory9250
September 199975.2Not deficientExcellentSatisfactoryGood9250
July 199875.2Not deficient-SatisfactoryGood9250
June 199746.8Not deficientVery GoodSatisfactoryPoor9250
May 199643.5Structurally deficientPoorSatisfactoryPoor9250
June 199443.3Structurally deficientPoorSatisfactoryPoor9250
June 199243.3Structurally deficientPoorSatisfactoryPoor9250
May 199043.3Structurally deficientPoorGoodPoor9250