M-123 over I-75


+45.96438, -84.75186
45°57'52" N, 84°45'07" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-123 over I-75
Structure number:000000000005953
Old structure number:49149025000S040 (from 1992 edition)
Location:@ M-123
Purpose:Carries highway over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:61.0 ft. [18.6 m]
Total length:196.9 ft. [60.0 m]
Roadway width between curbs:32.8 ft. [10.0 m]
Deck width edge-to-edge:36.7 ft. [11.2 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1963
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,808 [as of 2007]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:92.0
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairSatisfactorySatisfactorySatisfactory180892.0
October 2016FairSatisfactorySatisfactorySatisfactory180892.0
October 2014FairSatisfactorySatisfactorySatisfactory180892.0
October 2012FairSatisfactoryGoodSatisfactory180892.0
October 2010FairSatisfactoryGoodSatisfactory180892.0
October 2008FairSatisfactoryGoodSatisfactory180892.0
October 2006FairSatisfactoryGoodSatisfactory194292.0
October 2005FairSatisfactoryGoodSatisfactory194292.0
October 2004FairFairGoodSatisfactory170090.0
October 2002FairFairGoodSatisfactory170091.0
October 2000FairSatisfactoryGoodSatisfactory170093.0
September 1998FairSatisfactoryVery GoodGood170098.0
August 1996FairSatisfactoryVery Good-170091.0
October 1994GoodGoodVery GoodGood120091.0
September 1992GoodGoodVery GoodGood120091.0
October 1990FairGoodSatisfactoryFair120080.0