18TH ST. over IR 70


+39.95417, -82.97611
39°57'15" N, 82°58'34" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:18TH ST. over IR 70
Structure number:2504839
Location:0.96 MI E OF US23
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Collector (Urban) [17]
Length of largest span:80.7 ft. [24.6 m]
Total length:277.9 ft. [84.7 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:56.4 ft. [17.2 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:4
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: June 2015 

Status:Open, no restriction [A]
Average daily traffic:8,600 [as of 1997]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:44.6 tons [40.5 metric tons]
Inventory rating:32.8 tons [29.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:74.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201574.5Functionally obsoleteGoodGoodVery Good8600
July 201475.9Functionally obsoleteGoodGoodVery Good8600
May 201374.5Functionally obsoleteGoodGoodVery Good8600
April 201274.5Functionally obsoleteGoodGoodVery Good8600
June 201174.5Functionally obsoleteGoodGoodVery Good8600
June 201074.5Functionally obsoleteGoodGoodVery Good8600
September 200974.4Not deficientGoodGoodVery Good8600
November 200874.4Not deficientGoodGoodVery Good8600
October 200772.4Not deficientGoodVery GoodVery Good8600
March 200672.4Not deficientGoodVery GoodVery Good8600
March 200572.4Not deficientGoodVery GoodVery Good8600
August 200358.0Not deficientGoodVery GoodVery Good8600
September 200258.8Not deficientGoodExcellentExcellent1000
February 200058.8Functionally obsoleteGoodGoodSatisfactory1000
December 199858.8Functionally obsoleteGoodGoodSatisfactory1000
July 199662.8Functionally obsoleteGoodGoodSatisfactory1000
September 199559.3Functionally obsoleteGoodGoodSatisfactory1000
August 199459.3Functionally obsoleteSatisfactorySatisfactorySatisfactory1000
June 199358.3Functionally obsoleteFairSatisfactorySatisfactory1000
June 199258.3Functionally obsoleteFairSatisfactorySatisfactory1000
May 199158.3Functionally obsoleteFairSatisfactorySatisfactory1000