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US-12 over M-10 SB

Map 

Coordinates:
+42.33160, -83.06116
42°19'54" N, 83°03'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:US-12 over M-10 SB
Structure number:000000000011401
Old structure number:82182111000S142 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:65.6 ft. [20.0 m]
Total length:65.6 ft. [20.0 m]
Roadway width between curbs:89.9 ft. [27.4 m]
Deck width edge-to-edge:122.1 ft. [37.2 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:34°
Owner:State Highway Agency [01]
Year built:1954
Year reconstructed:1997
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2014 

Status:Open, no restriction [A]
Average daily traffic:9,034 [as of 2007]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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:107.0 tons [97.3 metric tons]
Inventory rating:64.2 tons [58.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:75.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201475.3Functionally obsoleteSatisfactorySatisfactorySatisfactory9034
June 201275.3Functionally obsoleteSatisfactorySatisfactorySatisfactory9034
July 201075.3Functionally obsoleteSatisfactoryGoodSatisfactory9034
July 200872.3Functionally obsoleteGoodGoodSatisfactory9034
July 200672.3Functionally obsoleteGoodVery GoodSatisfactory8759
July 200470.8Not deficient-Very GoodSatisfactory16400
July 200270.8Not deficientVery GoodVery GoodSatisfactory16400
July 200070.8Not deficientVery GoodVery GoodGood16400
August 19983.0Not deficientVery GoodGood-16400
June 199692.0Not deficientVery GoodVery GoodVery Good20000
July 199477.1Structurally deficientPoorGoodFair20000
September 199279.3Functionally obsoleteFairGoodFair20000
August 199062.1Structurally deficientFairVery GoodPoor20000