+39.96639, -83.05944
39°57'59" 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:14.8 ft. [4.5 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 2015 

Status:Open, no restriction [A]
Average daily traffic:31,970 [as of 2010]
Truck traffic:16% 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]
Operating rating:35.6 tons [32.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:94.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201594.0Not deficientSatisfactorySatisfactoryVery Good31970
June 201494.0Not deficientSatisfactoryGoodVery Good31970
May 201394.0Not deficientSatisfactoryGoodVery Good31970
April 201292.9Not deficientFairGoodVery Good31970
June 201192.9Not deficientFairGoodVery Good31970
May 201093.5Not deficientGoodVery GoodVery Good36675
August 200993.5Not deficientGoodVery GoodVery Good36675
August 200893.5Not deficientGoodVery GoodVery Good36675
September 200793.5Not deficientGoodVery GoodVery Good36675
August 200692.5Not deficientGoodVery GoodVery Good48010
October 200592.5Not deficientGoodVery GoodVery Good48010
February 200592.5Not deficientGoodVery GoodVery Good48010
August 200392.7Not deficientGoodVery GoodVery Good45565
September 200293.2Not deficientGoodVery GoodVery Good40610
January 200193.1Not deficientVery GoodVery GoodVery Good40610
July 199993.1Not deficientVery GoodVery GoodVery Good40610
June 199893.1Not deficientVery GoodVery GoodVery Good40610
June 199793.1Not deficientVery GoodVery GoodVery Good40610
August 199694.0Not deficientVery GoodVery GoodVery Good31300
August 199594.6Not deficientVery GoodVery GoodVery Good31300
July 199494.6Not deficientSatisfactoryVery GoodGood31300
June 199393.6Not deficientFairVery GoodGood31300
May 199293.6Not deficientFairVery GoodGood31300
May 199193.6Not deficientFairVery GoodGood31300