M-93 over I-75 SB


+44.71466, -84.69980
44°42'53" N, 84°41'59" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-93 over I-75 SB
Structure number:000000000002045
Old structure number:20120015000S040 (from 1992 edition)
Location:@ I-75, M-93 JCT
Purpose:Carries highway over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:73.8 ft. [22.5 m]
Total length:172.9 ft. [52.7 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:36.7 ft. [11.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1961
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:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,921 [as of 2007]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactoryGoodFair192181.3
March 2016FairSatisfactoryGoodFair192181.3
April 2014FairSatisfactoryGoodFair192181.3
April 2012FairSatisfactoryGoodSatisfactory192192.7
March 2012FairSatisfactoryGoodGood192192.7
March 2010FairSatisfactoryGoodGood192191.7
March 2008FairSatisfactoryGoodGood213890.4
March 2006FairSatisfactoryGoodGood213890.4
February 2004FairSatisfactoryGoodGood93093.9
November 2002FairSatisfactoryGoodGood93093.9
November 2000FairSatisfactoryGoodGood93093.9
August 1999FairSatisfactoryGoodGood93099.0
August 1997FairSatisfactoryGoodGood93093.9
August 1995GoodGoodGoodGood100093.8
June 1993GoodGoodGoodGood100093.8
April 1991GoodGoodVery GoodGood100093.8