+39.96666, -83.05938
39°57'60" N, 83°03'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-70 over OVER HARPER RD
Structure number:2504510
Location:0.24 MI E. OF I-670
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:54.1 ft. [16.5 m]
Total length:132.2 ft. [40.3 m]
Roadway width between curbs:40.7 ft. [12.4 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:29°
Owner:State Highway Agency [01]
Year built:1973
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:28,811 [as of 2015]
Truck traffic:15% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:94.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactorySatisfactoryVery Good2881194.3
May 2016FairSatisfactorySatisfactoryVery Good2881194.3
May 2015FairSatisfactorySatisfactoryVery Good3197094.0
June 2014FairSatisfactoryGoodVery Good3197094.0
May 2013FairSatisfactoryGoodVery Good3197094.0
April 2012FairFairGoodVery Good3197092.9
June 2011FairFairGoodVery Good3197092.9
May 2010GoodGoodVery GoodVery Good3667593.5
August 2009GoodGoodVery GoodVery Good3667593.5
August 2008GoodGoodVery GoodVery Good3667593.5
September 2007GoodGoodVery GoodVery Good3667593.5
August 2006GoodGoodVery GoodVery Good4801092.5
October 2005GoodGoodVery GoodVery Good4801092.5
February 2005GoodGoodVery GoodVery Good4801092.5
August 2003GoodGoodVery GoodVery Good4556592.7
September 2002GoodGoodVery GoodVery Good4061093.2
January 2001GoodVery GoodVery GoodVery Good4061093.1
July 1999GoodVery GoodVery GoodVery Good4061093.1
June 1998GoodVery GoodVery GoodVery Good4061093.1
June 1997GoodVery GoodVery GoodVery Good4061093.1
August 1996GoodVery GoodVery GoodVery Good3130094.0
August 1995GoodVery GoodVery GoodVery Good3130094.6
July 1994FairSatisfactoryVery GoodGood3130094.6
June 1993FairFairVery GoodGood3130093.6
May 1992FairFairVery GoodGood3130093.6
May 1991FairFairVery GoodGood3130093.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.6620642200
Reinforced Concrete Decksq. ft.5,6654,3658005000
Wearing Surfacessq. ft.5,4013,6511,2505000
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.9898000
Reinforced Concrete Pier Caplinear ft.9898000
Movable Bearingeach2002000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.265257800