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 2014 

Status:Open, no restriction [A]
Average daily traffic:66,140 [as of 2014]
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. ratingEvaluationDeckSuper.Sub.ADT
December 201481.0Not deficientGoodGoodGood66140
January 201381.0Not deficientGoodGoodGood72040
January 201181.0Not deficientGoodGoodGood84110
January 200981.0Not deficientGoodGoodGood90900
November 200683.0Not deficientGoodGoodGood69160
November 200483.0Not deficientGoodGoodGood69900
February 200383.0Not deficientSatisfactoryGoodGood75160
January 200183.0Not deficientSatisfactoryGoodGood77310
November 199883.0Not deficientSatisfactoryGoodGood69460
January 199783.0Not deficientSatisfactoryGoodGood60450
January 199584.0Not deficientSatisfactoryGoodGood41940
December 199284.0Not deficientGoodGoodGood50800
November 199084.0Not deficientGoodGoodGood50800