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N SERVICE RD over I-75 RAMP TO WB M-8

Map

Coordinates:
+42.40826, -83.08343
42°24'30" N, 83°05'00" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N SERVICE RD over I-75 RAMP TO WB M-8
Structure number:000000000011378
Old structure number:82182104000S060 (from 1992 edition)
Location:IN DETROIT M-8 WB RAMP
Purpose:Carries highway over highway
Route classification:Collector (Urban) [17]
Length of largest span:122.1 ft. [37.2 m]
Total length:122.1 ft. [37.2 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:38.4 ft. [11.7 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:54°
Owner:State Highway Agency [01]
Year built:1971
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span 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: November 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,180 [as of 1982]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Inventory rating:56.0 tons [50.9 metric tons]
Sufficiency rating:94.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201594.0FairFairGoodGoodFO3180
December 201394.0FairFairGoodGoodFO3180
January 201294.0FairFairGoodGoodFO3180
February 201094.0FairFairGoodVery GoodFO3180
August 200894.0FairFairGoodVery GoodFO3180
August 200694.0FairFairGoodVery GoodFO3180
August 200491.0FairFairGoodGoodFO3180
August 200280.0FairFairSatisfactoryFairFO3180
August 200080.0FairFairSatisfactoryFairFO3180
September 199836.0FairSatisfactoryGood-SD3180
October 199636.0FairSatisfactoryGood-SD3180
September 199492.0FairSatisfactoryGoodSatisfactoryFO3180
August 199292.0FairSatisfactoryVery GoodSatisfactoryFO3180
August 199093.0FairSatisfactoryVery GoodSatisfactoryFO3180