I-75 NB over OLD US 27


+44.57373, -84.70553
44°34'25" N, 84°42'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 NB over OLD US 27
Structure number:000000000002058
Old structure number:20120052000S040 (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:120.1 ft. [36.6 m]
Total length:127.0 ft. [38.7 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:43°
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:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 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 2018FairGoodFairGood1100078.7
May 2016FairGoodFairGood1100078.7
May 2014FairGoodGoodSatisfactory1100089.9
March 2014GoodGoodGood-1100089.9
April 2012FairGoodGoodSatisfactory1100089.9
December 2011FairGoodGoodSatisfactory1100089.9
February 2011FairGoodGoodSatisfactory1100089.9
February 2009FairGoodGoodSatisfactory598090.4
February 2007FairGoodGoodSatisfactory742490.2
February 2005FairGoodGoodSatisfactory550090.4
November 2003FairGoodGoodSatisfactory550090.4
November 2001FairGoodGoodSatisfactory550090.4
February 2001FairGoodGoodSatisfactory550090.4
August 1999FairGoodGoodSatisfactory550095.5
August 1997FairGoodGoodSatisfactory550090.4
July 1995FairGoodVery GoodSatisfactory500088.6
June 1993FairGoodVery GoodSatisfactory580088.5
April 1991FairGoodVery GoodSatisfactory580088.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.7385467860
Steel Protective Coatingsq. ft.10,0867069,2791010
Reinforced Concrete Decksq. ft.5,4125,3625000
Wearing Surfacessq. ft.5,0435,043000
Reinforced Concrete Abutmentlinear ft.2402172300
Strip Seal Jointlinear ft.112112000
Pourable Jointlinear ft.116116000
Movable Bearingeach66000
Fixed Bearingeach66000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.242241100