6 MI RD over M-39


+42.41555, -83.21871
42°24'56" N, 83°13'07" W


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)
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:13.1 ft. [4.0 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 2018

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]
Sufficiency rating:96.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018GoodVery GoodGoodGood2070096.0
February 2016GoodVery GoodGoodGood2070096.0
February 2014GoodExcellentGoodGood2070096.0
February 2012GoodExcellentGoodGood2070096.0
June 2011PoorPoorGoodFair2070079.0
June 2008PoorPoorGoodSatisfactory2070090.0
June 2006PoorPoorGoodSatisfactory2070090.0
June 2004PoorPoorGoodSatisfactory2070090.0
June 2002PoorPoorGoodSatisfactory2070090.0
June 2000PoorPoorGoodSatisfactory2070090.0
July 1998FairFairVery GoodGood2070092.0
July 1996FairFairSatisfactoryGood2070094.0
August 1994FairFairSatisfactoryGood2070094.0
June 1992FairFairGoodGood2070094.0
May 1990FairFairVery GoodGood2070094.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,175925200500
Reinforced Concrete Decksq. ft.14,07914,079000
Reinforced Concrete Columneach1010000
Reinforced Concrete Abutmentlinear ft.262262000
Reinforced Concrete Pier Caplinear ft.131131000
Strip Seal Jointlinear ft.270270000
Pourable Jointlinear ft.405040500
Movable Bearingeach4444000
Fixed Bearingeach2222000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.217217000