I40 over I40 / HOLSTON DRIVE


+36.00861, -83.83833
36°00'31" N, 83°50'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I40 over I40 / HOLSTON DRIVE
Structure number:47I00400095
Location:1.4 M NW OF SR9
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:47.9 ft. [14.6 m]
Total length:112.5 ft. [34.3 m]
Roadway width between curbs:120.4 ft. [36.7 m]
Deck width edge-to-edge:122.4 ft. [37.3 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:29°
Owner:State Highway Agency [01]
Year built:1968
Year reconstructed:1975
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:70,030 [as of 2015]
Truck traffic:26% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
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]
Operating rating:61.4 tons [55.8 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:81.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201681.0GoodGoodGoodGood-70030
December 201481.0GoodGoodGoodGood-66140
January 201381.0GoodGoodGoodGood-72040
January 201181.0GoodGoodGoodGood-84110
January 200981.0GoodGoodGoodGood-90900
November 200683.0GoodGoodGoodGood-69160
November 200483.0GoodGoodGoodGood-69900
February 200383.0FairSatisfactoryGoodGood-75160
January 200183.0FairSatisfactoryGoodGood-77310
November 199883.0FairSatisfactoryGoodGood-69460
January 199783.0FairSatisfactoryGoodGood-60450
January 199584.0FairSatisfactoryGoodGood-41940
December 199284.0GoodGoodGoodGood-50800
November 199084.0GoodGoodGoodGood-50800