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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:52,520 [as of 2015]
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:86.4

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201686.4FairGoodSatisfactorySatisfactory-52520
April 201486.5FairGoodSatisfactorySatisfactory-51910
April 201286.4FairGoodSatisfactoryGood-52340
April 201093.8FairGoodSatisfactoryGood-45280
March 200893.6FairGoodSatisfactoryGood-47230
December 200692.9FairGoodSatisfactoryGood-53990
November 200493.1FairVery GoodSatisfactoryGood-52790
September 200293.5FairSatisfactorySatisfactoryGood-47820
October 200093.7FairSatisfactorySatisfactoryGood-46250
December 199893.4FairSatisfactorySatisfactoryGood-48680
September 199694.1FairSatisfactorySatisfactoryGood-41210
November 199495.0FairSatisfactorySatisfactoryGood-39980
August 199295.5FairSatisfactorySatisfactoryGood-34000
October 199095.5FairSatisfactorySatisfactoryGood-34000