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 

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. ratingEvaluationDeckSuper.Sub.ADT
February 201696.0Not deficientExcellentSatisfactoryGood30550
February 201496.0Not deficientExcellentSatisfactoryGood30550
February 201295.0Not deficientExcellentSatisfactoryGood30550
September 201195.0Not deficientExcellentSatisfactorySatisfactory30550
October 200979.0Structurally deficientSeriousSatisfactoryFair30550
January 200979.0Structurally deficientSeriousSatisfactoryFair30550
October 200790.0Structurally deficientSeriousSatisfactorySatisfactory30550
September 200690.0Structurally deficientSeriousSatisfactorySatisfactory30550
June 200590.0Structurally deficientSeriousGoodSatisfactory30550
February 200490.0Structurally deficientSeriousGoodSatisfactory30550
November 200290.0Structurally deficientSeriousGoodSatisfactory30550
August 200190.0Structurally deficientSeriousGoodSatisfactory30550
June 200090.0Structurally deficientSeriousGoodSatisfactory30550
July 199892.0Structurally deficientPoorGoodGood30550
August 199692.0Structurally deficientPoorSatisfactoryGood30550
August 199494.0Functionally obsoleteFairSatisfactoryGood30550
June 199295.0Functionally obsoleteSatisfactoryGoodGood30550
May 199095.0Functionally obsoleteSatisfactoryVery GoodGood30550