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6 MI RD over M-39

Map

Coordinates:
+42.41554, -83.21889
42°24'56" N, 83°13'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:6 MI RD over M-39
Structure number:000000000011708
Old structure number:82182193000S050 (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:53.2 ft. [16.2 m]
Total length:108.6 ft. [33.1 m]
Roadway width between curbs:113.9 ft. [34.7 m]
Deck width edge-to-edge:134.8 ft. [41.1 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:2010
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Steel continuous [4]
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: February 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:20,700 [as of 2008]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 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:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.3 tons [56.6 metric tons]
Inventory rating:37.3 tons [33.9 metric tons]
Sufficiency rating:96.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201696.0GoodVery GoodGoodGood-20700
February 201496.0GoodExcellentGoodGood-20700
February 201296.0GoodExcellentGoodGood-20700
June 201179.0PoorPoorGoodFair-20700
June 200890.0PoorPoorGoodSatisfactorySD20700
June 200690.0PoorPoorGoodSatisfactorySD20700
June 200490.0PoorPoorGoodSatisfactorySD20700
June 200290.0PoorPoorGoodSatisfactorySD20700
June 200090.0PoorPoorGoodSatisfactorySD20700
July 199892.0FairFairVery GoodGoodFO20700
July 199694.0FairFairSatisfactoryGoodFO20700
August 199494.0FairFairSatisfactoryGoodFO20700
June 199294.0FairFairGoodGoodFO20700
May 199094.0FairFairVery GoodGoodFO20700

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,175925200500
Deck
Reinforced Concrete Decksq. ft.14,07914,079000
Substructure
Reinforced Concrete Columneach1010000
Reinforced Concrete Abutmentlinear ft.262262000
Reinforced Concrete Pier Caplinear ft.131131000
Joints
Strip Seal Jointlinear ft.270270000
Pourable Jointlinear ft.405040500
Bearings
Movable Bearingeach4444000
Fixed Bearingeach2222000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.217217000