Share:

M-85 over CONRAIL (ABN)

Map 

Coordinates:
+42.32301, -83.06523
42°19'23" N, 83°03'55" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:M-85 over CONRAIL (ABN)
Structure number:000000000011323
Old structure number:82182071000R060 (from 1992 edition)
Location:IN DETROIT
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:43.0 ft. [13.1 m]
Total length:109.9 ft. [33.5 m]
Roadway width between curbs:71.9 ft. [21.9 m]
Deck width edge-to-edge:98.8 ft. [30.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:37°
Owner:State Highway Agency [01]
Year built:1924
Year reconstructed:1955
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:Bituminous [6]

Latest Available Inspection: October 2015 

Status:Open, no restriction [A]
Average daily traffic:10,191 [as of 2007]
Truck traffic:32% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry 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:51.3 tons [46.6 metric tons]
Inventory rating:30.7 tons [27.9 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:38.0
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$292,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201538.0Structurally deficientPoorSeriousPoor10191
April 201538.0Structurally deficientPoorSeriousPoor10191
December 201338.0Structurally deficientPoorSeriousPoor10191
January 201338.0Structurally deficientPoorSeriousPoor10191
January 201238.0Structurally deficientPoorSeriousPoor10191
September 201141.8Structurally deficientPoorSeriousPoor10191
December 200779.5Functionally obsoleteFairFairFair10191
December 200579.4Functionally obsoleteFairFairFair10357
September 200379.2Functionally obsoleteFairFairFair11000
September 200179.2Functionally obsoleteFairFairFair11000
September 199976.0Functionally obsoleteSatisfactorySatisfactoryFair11000
November 199759.7Structurally deficientSatisfactorySatisfactoryPoor11000
October 199557.1Structurally deficientSatisfactorySatisfactoryPoor20100
August 199257.1Structurally deficientGoodGoodPoor20100
July 199075.5Functionally obsoleteGoodVery GoodFair20100