I-75 NC over KY 836


+36.81993, -84.16533
36°49'12" N, 84°09'55" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-75 NC over KY 836
Structure number:118B00046L
Location:1.8 MI N OF S-NTRCH US25W
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:53.2 ft. [16.2 m]
Total length:171.9 ft. [52.4 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:24°
Owner:State Highway Agency [01]
Year built:1967
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:20,817 [as of 2015]
Truck traffic:23% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:72.3 tons [65.7 metric tons]
Inventory rating:43.3 tons [39.4 metric tons]
Sufficiency rating:95.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$860,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201695.0FairSatisfactorySatisfactoryGood-20817
March 201495.3FairSatisfactorySatisfactoryGood-14226
March 201295.1FairSatisfactorySatisfactoryGood-18250
March 201094.5FairSatisfactorySatisfactoryGood-15450
March 200894.6FairGoodSatisfactoryGood-14400
March 200692.0GoodGoodGoodGood-31200
January 200481.9FairSatisfactoryGoodFair-28117