I640 over I640 / OLD BROADWAY


+36.01722, -83.92417
36°01'02" N, 83°55'27" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I640 over I640 / OLD BROADWAY
Structure number:47I06400009
Location:.6 M E OF SR33
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:57.4 ft. [17.5 m]
Total length:126.0 ft. [38.4 m]
Roadway width between curbs:128.9 ft. [39.3 m]
Deck width edge-to-edge:130.6 ft. [39.8 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:39°
Owner:State Highway Agency [01]
Year built:1970
Year reconstructed:2002
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2014 

Status:Open, no restriction [A]
Average daily traffic:75,150 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:69.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201469.9Functionally obsoleteGoodGoodGood75150
April 201270.0Functionally obsoleteVery GoodVery GoodVery Good74810
April 201086.1Not deficientVery GoodVery GoodVery Good68940
March 200886.0Not deficientVery GoodVery GoodVery Good70350
December 200685.7Not deficientVery GoodVery GoodVery Good73730
December 200487.3Not deficientVery GoodVery GoodVery Good56850
February 200387.8Not deficientSatisfactorySatisfactoryGood52100
September 200086.5Not deficientSatisfactorySatisfactoryGood44350
December 199890.7Not deficientSatisfactorySatisfactoryGood54880
September 199687.8Functionally obsoleteSatisfactorySatisfactoryGood62640
November 199489.6Functionally obsoleteSatisfactorySatisfactoryGood55980
August 199289.7Functionally obsoleteSatisfactorySatisfactoryGood54800
October 199089.7Functionally obsoleteSatisfactorySatisfactoryGood54800