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I-75 & RAMPS C&D over M-8 DAVISON & SER RDS

Map 

Coordinates:
+42.40898, -83.07951
42°24'32" N, 83°04'46" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 & RAMPS C&D over M-8 DAVISON & SER RDS
Structure number:000000000011867
Old structure number:82182252000S310 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:64.0 ft. [19.5 m]
Total length:260.8 ft. [79.5 m]
Roadway width between curbs:209.7 ft. [63.9 m]
Deck width edge-to-edge:212.9 ft. [64.9 m]
Vertical clearance above deck:14.8 ft. [4.5 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1969
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:4
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2014 

Status:Open, no restriction [A]
Average daily traffic:159,874 [as of 2007]
Truck traffic:8% 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:Basically intolerable requiring high priority of corrrective action [3]
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:83.4 tons [75.8 metric tons]
Inventory rating:42.8 tons [38.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:76.0
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201476.0Functionally obsoleteFairGoodFair159874
May 201276.0Functionally obsoleteFairGoodFair159874
May 201088.0Functionally obsoleteSatisfactoryGoodGood159874
July 200988.0Functionally obsoleteSatisfactoryGoodGood159874
July 200788.0Functionally obsoleteSatisfactoryGoodGood160728
July 200588.0Functionally obsoleteSatisfactoryGoodGood118200
July 200376.0Functionally obsoleteFairSatisfactoryFair118200
June 200176.0Functionally obsoleteFairSatisfactoryFair118200
July 200049.0Structurally deficientFairSatisfactorySerious118200
September 199849.0Structurally deficientFairSatisfactorySerious118200
August 199766.0Structurally deficientFairSatisfactoryPoor118200
October 199667.0Structurally deficientGoodGoodPoor118200
October 199483.0Functionally obsoleteSatisfactoryVery GoodFair118200
August 199283.0Functionally obsoleteGoodVery GoodFair118200
July 199083.0Functionally obsoleteSatisfactoryVery GoodFair118200