I-75NB&I-94WB RAMP over I-75 & RAMP


+42.36826, -83.05869
42°22'06" N, 83°03'31" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-75NB&I-94WB RAMP over I-75 & RAMP
Structure number:000000000011826
Old structure number:82182251000S250 (from 1992 edition)
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:107.9 ft. [32.9 m]
Total length:772.0 ft. [235.3 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Vertical clearance below bridge:29.9 ft. [9.1 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:2002
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:9
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,110 [as of 1982]
Truck traffic:10% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Satisfactory [6 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 desirable criteria [8]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:70.6 tons [64.2 metric tons]
Inventory rating:42.5 tons [38.6 metric tons]
Sufficiency rating:83.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201683.0FairVery GoodSatisfactoryFairFO10110
March 201494.0FairVery GoodSatisfactorySatisfactoryFO10110
April 201294.0FairVery GoodSatisfactorySatisfactoryFO10110
June 201094.0FairVery GoodSatisfactorySatisfactory-10110
December 200794.0FairVery GoodSatisfactorySatisfactory-10110
December 200594.0FairExcellentSatisfactorySatisfactory-10110
October 200396.0FairExcellentSatisfactorySatisfactory-10110
November 200193.0PoorPoorSatisfactorySatisfactory-10110
January 200168.0PoorFairSatisfactoryPoorSD10110
September 199936.0PoorFairSatisfactoryCriticalSD10110
November 199849.0PoorFairGoodSeriousSD10110
December 199749.0PoorFairGoodSeriousSD10110
September 199654.0PoorSatisfactoryGoodSeriousSD10110
September 199471.0PoorGoodVery GoodPoorSD10110
July 199286.0FairGoodVery GoodFair-10110
June 199086.0FairGoodVery GoodFair-10110