I-75 SB over OLD US 27


+44.57159, -84.70934
44°34'18" N, 84°42'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 SB over OLD US 27
Structure number:000000000002057
Old structure number:20120052000S030 (from 1992 edition)
Location:6.0 MI S OF GRAYLING
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:111.9 ft. [34.1 m]
Total length:118.8 ft. [36.2 m]
Roadway width between curbs:40.4 ft. [12.3 m]
Deck width edge-to-edge:44.3 ft. [13.5 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:39°
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,000 [as of 2009]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:78.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairSatisfactoryFairSatisfactory1100078.7
May 2016FairSatisfactoryFairSatisfactory1100078.7
May 2014FairSatisfactoryGoodSatisfactory1100089.9
March 2014FairSatisfactoryGood-1100089.9
April 2012FairSatisfactoryGoodSatisfactory1100089.9
December 2011FairSatisfactoryGoodSatisfactory1100089.9
February 2011FairSatisfactoryGoodSatisfactory1100089.9
February 2009FairSatisfactoryGoodSatisfactory598090.4
February 2007FairSatisfactoryGoodSatisfactory742490.2
February 2005FairSatisfactoryGoodSatisfactory550090.4
November 2003FairSatisfactoryGoodSatisfactory550090.4
February 2003FairSatisfactoryGoodSatisfactory550090.4
February 2001FairSatisfactoryGoodSatisfactory550090.4
August 1999FairSatisfactoryVery GoodSatisfactory550095.5
August 1997FairGoodVery GoodSatisfactory550090.4
July 1995FairGoodVery GoodSatisfactory500089.1
June 1993FairGoodVery GoodSatisfactory580090.5
April 1991FairGoodVery GoodSatisfactory580090.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.68460604200
Steel Protective Coatingsq. ft.9,8069818,727980
Reinforced Concrete Decksq. ft.4,9974,9316600
Wearing Surfacessq. ft.4,6554,655000
Reinforced Concrete Abutmentlinear ft.2302012630
Strip Seal Jointlinear ft.108108000
Pourable Jointlinear ft.110107120
Movable Bearingeach66000
Fixed Bearingeach66000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.226226000