I40 over I40 / HOLSTON R. &SR 168


+36.00778, -83.82833
36°00'28" N, 83°49'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I40 over I40 / HOLSTON R. &SR 168
Structure number:47I00400099
Location:2.4 M SE OF HAMMER RD
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:240.2 ft. [73.2 m]
Total length:1194.0 ft. [363.9 m]
Roadway width between curbs:107.0 ft. [32.6 m]
Deck width edge-to-edge:108.9 ft. [33.2 m]
Vertical clearance below bridge:36.7 ft. [11.2 m]
Owner:State Highway Agency [01]
Year built:1971
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:7
Main spans material:Steel continuous [4]
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:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:53.5 tons [48.6 metric tons]
Inventory rating:31.7 tons [28.8 metric tons]
Sufficiency rating:68.8
Recommended work:Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:$7,718,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201468.8Not deficientSatisfactoryFairSatisfactory66140
December 201268.8Not deficientSatisfactoryFairSatisfactory72040
January 201168.8Not deficientSatisfactoryFairSatisfactory84110
September 200968.8Not deficientSatisfactoryFairSatisfactory90900
February 200979.8Not deficientSatisfactorySatisfactorySatisfactory70400
December 200680.8Not deficientSatisfactorySatisfactorySatisfactory69160
November 200469.8Not deficientSatisfactoryFairSatisfactory69900
February 200354.8Structurally deficientSatisfactoryPoorSatisfactory75160
December 200154.8Structurally deficientSatisfactoryPoorSatisfactory76950
February 200170.8Not deficientSatisfactoryFairSatisfactory77310
November 199870.8Not deficientSatisfactoryFairSatisfactory69460
December 199632.5Structurally deficientSatisfactorySeriousSatisfactory60450
December 199432.5Structurally deficientSatisfactorySeriousSatisfactory41940
January 199332.5Structurally deficientSatisfactorySeriousSatisfactory50800
November 199032.5Structurally deficientFairSeriousSatisfactory50800