I40 over I40 / CEDAR BLUFF RD


+35.91778, -84.09083
35°55'04" N, 84°05'27" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I40 over I40 / CEDAR BLUFF RD
Structure number:47I00400013
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:144.0 ft. [43.9 m]
Total length:224.1 ft. [68.3 m]
Roadway width between curbs:166.0 ft. [50.6 m]
Deck width edge-to-edge:168.0 ft. [51.2 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:1993
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans 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: October 2014 

Status:Open, no restriction [A]
Average daily traffic:170,470 [as of 2014]
Truck traffic:19% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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:66.3 tons [60.3 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:80.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$9,056,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201480.0Functionally obsoleteGoodGoodVery Good170470
November 201280.0Functionally obsoleteGoodGoodVery Good170480
November 201080.0Functionally obsoleteGoodGoodVery Good164330
December 200880.0Functionally obsoleteGoodGoodVery Good166050
October 200681.0Functionally obsoleteGoodGoodVery Good150230
November 200484.0Not deficientGoodGoodVery Good146380
November 200284.0Not deficientGoodGoodVery Good144110
November 200085.1Not deficientGoodGoodVery Good137330
October 199885.0Not deficientGoodGoodVery Good140200
October 199681.9Functionally obsoleteGoodGoodVery Good122860
November 199487.1Functionally obsoleteSatisfactoryGoodVery Good87400
October 199287.7Not deficientSatisfactoryGoodVery Good80370
October 199087.7Not deficientSatisfactoryGoodVery Good80370