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WB M-8 RMP TO I-75 over S SERVICE DRIVE, M-8

Map 

Coordinates:
+42.40707, -83.08400
42°24'25" N, 83°05'02" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:WB M-8 RMP TO I-75 over S SERVICE DRIVE, M-8
Structure number:000000000011377
Old structure number:82182104000S050 (from 1992 edition)
Location:IN DETROIT O S SERVICE RD
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:104.0 ft. [31.7 m]
Total length:210.0 ft. [64.0 m]
Roadway width between curbs:45.3 ft. [13.8 m]
Deck width edge-to-edge:47.9 ft. [14.6 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:51°
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]
Number of main spans:3
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: November 2015 

Status:Open, no restriction [A]
Average daily traffic:4,360 [as of 1982]
Truck traffic:7% 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:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:85.7 tons [77.9 metric tons]
Inventory rating:51.5 tons [46.8 metric tons]
Sufficiency rating:97.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201597.0Not deficientFairGoodGood4360
December 201397.0Not deficientFairGoodGood4360
January 201297.0Not deficientFairVery GoodGood4360
February 201098.0Not deficientSatisfactoryVery GoodVery Good4360
August 200898.0Not deficientSatisfactoryVery GoodVery Good4360
August 200698.0Not deficientGoodVery GoodVery Good4360
August 200498.0Not deficientSatisfactorySatisfactoryGood4360
August 200298.0Not deficientSatisfactorySatisfactoryGood4360
August 200098.0Not deficientSatisfactoryGoodGood4360
December 199897.0Not deficientFairGoodSatisfactory4360
May 199684.0Structurally deficientPoorGoodFair4360
October 199582.0Structurally deficientPoorGoodFair4360
September 199495.0Functionally obsoleteFairGoodGood4360
August 199295.0Functionally obsoleteFairVery GoodGood4360
August 199096.0Functionally obsoleteSatisfactoryVery GoodGood4360