6 MI RD over M-39


+42.41554, -83.21889
42°24'56" N, 83°13'08" 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:14.8 ft. [4.5 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 

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. ratingEvaluationDeckSuper.Sub.ADT
February 201696.0Not deficientVery GoodGoodGood20700
February 201496.0Not deficientExcellentGoodGood20700
February 201296.0Not deficientExcellentGoodGood20700
June 201179.0Not deficientPoorGoodFair20700
June 200890.0Structurally deficientPoorGoodSatisfactory20700
June 200690.0Structurally deficientPoorGoodSatisfactory20700
June 200490.0Structurally deficientPoorGoodSatisfactory20700
June 200290.0Structurally deficientPoorGoodSatisfactory20700
June 200090.0Structurally deficientPoorGoodSatisfactory20700
July 199892.0Functionally obsoleteFairVery GoodGood20700
July 199694.0Functionally obsoleteFairSatisfactoryGood20700
August 199494.0Functionally obsoleteFairSatisfactoryGood20700
June 199294.0Functionally obsoleteFairGoodGood20700
May 199094.0Functionally obsoleteFairVery GoodGood20700