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M-10 WB over M-8 RAMP TO M-10 SB

Map 

Coordinates:
+42.39750, -83.10889
42°23'51" N, 83°06'32" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:M-10 WB over M-8 RAMP TO M-10 SB
Structure number:000000000013499
Old structure number:82182112000S135 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:68.9 ft. [21.0 m]
Total length:171.3 ft. [52.2 m]
Roadway width between curbs:68.9 ft. [21.0 m]
Deck width edge-to-edge:72.8 ft. [22.2 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:27°
Owner:State Highway Agency [01]
Year built:1956
Year reconstructed:1987
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:78,042 [as of 2007]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 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:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:83.9 tons [76.3 metric tons]
Inventory rating:50.3 tons [45.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:88.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201588.3Functionally obsoleteSatisfactoryGoodGood78042
December 201388.3Functionally obsoleteSatisfactoryGoodGood78042
January 201288.3Functionally obsoleteSatisfactoryGoodGood78042
February 201088.3Functionally obsoleteVery GoodGoodVery Good78042