I-75 BS (3 MILE RD over I-75


+46.46288, -84.38313
46°27'46" N, 84°22'59" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 BS (3 MILE RD over I-75
Structure number:000000000001586
Old structure number:17117034000S030 (from 1992 edition)
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:75.1 ft. [22.9 m]
Total length:226.1 ft. [68.9 m]
Roadway width between curbs:31.5 ft. [9.6 m]
Deck width edge-to-edge:34.8 ft. [10.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1962
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
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:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:15,700 [as of 2013]
Truck traffic:2% of total traffic
Deck condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
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:86.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairGoodSatisfactoryGood1570086.0
June 2016FairGoodSatisfactoryGood1570086.0
June 2014FairGoodSatisfactoryGood1570086.0
October 2013FairGoodSatisfactoryGood1570086.0
May 2012PoorFairFairPoor1570058.0
May 2010PoorSatisfactoryFairPoor1565554.0
May 2008PoorSatisfactoryFairPoor1565554.0
May 2006FairSatisfactoryFairFair490070.0
May 2004FairSatisfactorySatisfactoryFair490070.0
May 2002FairSatisfactorySatisfactoryFair490070.0
May 2000FairSatisfactorySatisfactoryFair490070.0
October 1998FairSatisfactorySatisfactoryFair490075.0
August 1996FairSatisfactoryFairSatisfactory490067.2
October 1994FairSatisfactoryGoodSatisfactory800079.9
September 1992FairSatisfactoryGoodSatisfactory800083.0
October 1990FairSatisfactoryVery GoodSatisfactory800083.0