I40 over I40 / GILL AVE.


+35.97889, -83.91778
35°58'44" N, 83°55'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I40 over I40 / GILL AVE.
Structure number:47I00400067
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:121.7 ft. [37.1 m]
Total length:125.7 ft. [38.3 m]
Roadway width between curbs:161.1 ft. [49.1 m]
Deck width edge-to-edge:163.1 ft. [49.7 m]
Vertical clearance below bridge:19.0 ft. [5.8 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:2007
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2014 

Status:Open, no restriction [A]
Average daily traffic:100,600 [as of 2015]
Truck traffic:14% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
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:98.0 tons [89.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:86.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201486.3Not deficientVery GoodVery GoodVery Good100600
December 201286.3Not deficientVery GoodVery GoodVery Good100600
January 201186.3Not deficientVery GoodVery GoodVery Good100600
May 200986.3Not deficientExcellentExcellentExcellent100600
August 200761.0Functionally obsoleteVery GoodVery GoodVery Good85350
January 200741.7Structurally deficientPoorSatisfactoryFair94000
November 200441.7Structurally deficientPoorSatisfactoryFair94510
February 200341.7Structurally deficientPoorSatisfactoryFair103540
December 200041.7Structurally deficientPoorSatisfactoryFair95020
November 199841.7Structurally deficientPoorSatisfactoryFair98350
December 199651.2Functionally obsoleteFairSatisfactorySatisfactory96980
January 199551.0Functionally obsoleteSatisfactorySatisfactorySatisfactory91610
November 199252.1Functionally obsoleteSatisfactorySatisfactoryGood83200
November 199052.1Functionally obsoleteSatisfactorySatisfactoryGood83200