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 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:76,230 [as of 2015]
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]
Sufficiency rating:69.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201669.8GoodGoodGoodGoodFO76230
April 201469.9GoodGoodGoodGoodFO75150
April 201270.0GoodVery GoodVery GoodVery GoodFO74810
April 201086.1GoodVery GoodVery GoodVery Good-68940
March 200886.0GoodVery GoodVery GoodVery Good-70350
December 200685.7GoodVery GoodVery GoodVery Good-73730
December 200487.3GoodVery GoodVery GoodVery Good-56850
February 200387.8FairSatisfactorySatisfactoryGood-52100
September 200086.5FairSatisfactorySatisfactoryGood-44350
December 199890.7FairSatisfactorySatisfactoryGood-54880
September 199687.8FairSatisfactorySatisfactoryGoodFO62640
November 199489.6FairSatisfactorySatisfactoryGoodFO55980
August 199289.7FairSatisfactorySatisfactoryGoodFO54800
October 199089.7FairSatisfactorySatisfactoryGoodFO54800