I40 over I40 / UNIVERSITY AVE.


+35.96306, -83.94611
35°57'47" N, 83°56'46" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I40 over I40 / UNIVERSITY AVE.
Structure number:47I00400049
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:67.9 ft. [20.7 m]
Total length:460.7 ft. [140.4 m]
Roadway width between curbs:124.0 ft. [37.8 m]
Deck width edge-to-edge:126.0 ft. [38.4 m]
Vertical clearance below bridge:24.9 ft. [7.6 m]
Skew angle:50°
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1982
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:9
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: November 2014 

Status:Open, no restriction [A]
Average daily traffic:144,580 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Good [7 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:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.4 tons [56.7 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:81.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201481.0Functionally obsoleteGoodSatisfactoryGood144580
November 201281.0Functionally obsoleteGoodSatisfactoryGood131940
November 201081.0Functionally obsoleteGoodSatisfactoryGood127990
December 200880.7Functionally obsoleteGoodSatisfactoryGood127590
October 200682.7Not deficientGoodSatisfactoryGood114820
November 200482.7Not deficientGoodSatisfactoryGood105740
November 200282.7Not deficientGoodGoodGood112650
November 200081.7Not deficientFairSatisfactorySatisfactory108940
October 19980.0Not applicable---53820
October 199682.0Not deficientFairSatisfactorySatisfactory104280
December 199484.0Not deficientFairSatisfactorySatisfactory76100
October 199285.0Not deficientSatisfactorySatisfactoryGood89000
October 199085.0Not deficientSatisfactorySatisfactoryGood89000