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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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:35.8 ft. [10.9 m]
Deck width edge-to-edge:38.4 ft. [11.7 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:58°
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2015 

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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:94.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201594.0Functionally obsoleteFairGoodGood3180
December 201394.0Functionally obsoleteFairGoodGood3180
January 201294.0Functionally obsoleteFairGoodGood3180
February 201094.0Functionally obsoleteFairGoodVery Good3180
August 200894.0Functionally obsoleteFairGoodVery Good3180
August 200694.0Functionally obsoleteFairGoodVery Good3180
August 200491.0Functionally obsoleteFairGoodGood3180
August 200280.0Functionally obsoleteFairSatisfactoryFair3180
August 200080.0Functionally obsoleteFairSatisfactoryFair3180
September 199836.0Structurally deficientSatisfactoryGood-3180
October 199636.0Structurally deficientSatisfactoryGood-3180
September 199492.0Functionally obsoleteSatisfactoryGoodSatisfactory3180
August 199292.0Functionally obsoleteSatisfactoryVery GoodSatisfactory3180
August 199093.0Functionally obsoleteSatisfactoryVery GoodSatisfactory3180