I640 LL over I640-WB / SOU RR-NORA LN


+36.02111, -83.91472
36°01'16" N, 83°54'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I640 LL over I640-WB / SOU RR-NORA LN
Structure number:47I06400020
Location:N.E. OF SR 33 EXCHANGE
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:200.1 ft. [61.0 m]
Total length:730.0 ft. [222.5 m]
Roadway width between curbs:59.1 ft. [18.0 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:24.9 ft. [7.6 m]
Owner:State Highway Agency [01]
Year built:1981
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
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: May 2016 

Status:Open, no restriction [A]
Average daily traffic:55,910 [as of 2015]
Truck traffic:14% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
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:98.0 tons [89.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:76.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201676.6Functionally obsoleteSatisfactoryFairSatisfactory55910
May 201476.5Functionally obsoleteSatisfactoryFairSatisfactory57050
May 201288.4Functionally obsoleteGoodSatisfactoryGood56860
May 201089.0Functionally obsoleteVery GoodSatisfactoryGood50800
March 200888.8Functionally obsoleteVery GoodSatisfactoryGood52880
December 200692.5Not deficientVery GoodSatisfactoryGood58980
December 200492.7Not deficientVery GoodSatisfactoryGood56850
September 200293.1Not deficientSatisfactorySatisfactoryGood52100
September 200093.8Not deficientSatisfactorySatisfactoryGood44350
December 199892.9Not deficientSatisfactorySatisfactoryGood54880
September 199693.8Not deficientSatisfactorySatisfactoryGood45290
November 199494.6Not deficientSatisfactorySatisfactoryGood45200
August 199295.8Not deficientSatisfactorySatisfactoryGood29100
October 199095.8Not deficientSatisfactorySatisfactoryGood29100