7 MI RD over M-39


+42.43002, -83.21942
42°25'48" N, 83°13'10" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:7 MI RD over M-39
Structure number:000000000011711
Old structure number:82182193000S080 (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:135.2 ft. [41.2 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:2010
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: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:Fair
Status:Open, no restriction [A]
Average daily traffic:30,550 [as of 1978]
Deck condition:Excellent [9 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:64.1 tons [58.3 metric tons]
Inventory rating:38.4 tons [34.9 metric tons]
Sufficiency rating:96.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201696.0FairExcellentSatisfactoryGood-30550
February 201496.0FairExcellentSatisfactoryGood-30550
February 201295.0FairExcellentSatisfactoryGood-30550
September 201195.0FairExcellentSatisfactorySatisfactory-30550
October 200979.0PoorSeriousSatisfactoryFairSD30550
January 200979.0PoorSeriousSatisfactoryFairSD30550
October 200790.0PoorSeriousSatisfactorySatisfactorySD30550
September 200690.0PoorSeriousSatisfactorySatisfactorySD30550
June 200590.0PoorSeriousGoodSatisfactorySD30550
February 200490.0PoorSeriousGoodSatisfactorySD30550
November 200290.0PoorSeriousGoodSatisfactorySD30550
August 200190.0PoorSeriousGoodSatisfactorySD30550
June 200090.0PoorSeriousGoodSatisfactorySD30550
July 199892.0PoorPoorGoodGoodSD30550
August 199692.0PoorPoorSatisfactoryGoodSD30550
August 199494.0FairFairSatisfactoryGoodFO30550
June 199295.0FairSatisfactoryGoodGoodFO30550
May 199095.0FairSatisfactoryVery GoodGoodFO30550