I640 LL over I640-LL / SR 1-SOU. RR.


+36.01806, -83.86083
36°01'05" N, 83°51'39" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I640 LL over I640-LL / SR 1-SOU. RR.
Structure number:47I06400036
Location:JUST N. OF I-40 JCT.
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:132.2 ft. [40.3 m]
Total length:470.2 ft. [143.3 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:71.9 ft. [21.9 m]
Vertical clearance below bridge:24.9 ft. [7.6 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1982
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:4
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: April 2014 

Status:Open, no restriction [A]
Average daily traffic:51,910 [as of 2014]
Truck traffic:14% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:46.5 tons [42.3 metric tons]
Inventory rating:27.7 tons [25.2 metric tons]
Sufficiency rating:86.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201486.5Not deficientGoodSatisfactorySatisfactory51910
April 201286.4Not deficientGoodSatisfactoryGood52340
April 201093.8Not deficientGoodSatisfactoryGood45280
March 200893.6Not deficientGoodSatisfactoryGood47230
December 200692.9Not deficientGoodSatisfactoryGood53990
November 200493.1Not deficientVery GoodSatisfactoryGood52790
September 200293.5Not deficientSatisfactorySatisfactoryGood47820
October 200093.7Not deficientSatisfactorySatisfactoryGood46250
December 199893.4Not deficientSatisfactorySatisfactoryGood48680
September 199694.1Not deficientSatisfactorySatisfactoryGood41210
November 199495.0Not deficientSatisfactorySatisfactoryGood39980
August 199295.5Not deficientSatisfactorySatisfactoryGood34000
October 199095.5Not deficientSatisfactorySatisfactoryGood34000