I640 over I640 / SR33


+36.01861, -83.92222
36°01'07" N, 83°55'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I640 over I640 / SR33
Structure number:47I06400013
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:93.5 ft. [28.5 m]
Total length:178.5 ft. [54.4 m]
Roadway width between curbs:120.1 ft. [36.6 m]
Deck width edge-to-edge:126.0 ft. [38.4 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:27°
Owner:State Highway Agency [01]
Year built:1970
Year reconstructed:2003
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
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:76,230 [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:Superior to present desirable criteria [9]
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:57.4 tons [52.2 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:97.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201697.7FairGoodSatisfactorySatisfactory-76230
April 201497.7FairGoodSatisfactorySatisfactory-75150
April 201297.7GoodVery GoodVery GoodGood-74810
April 201097.7GoodVery GoodVery GoodVery Good-68940
March 200897.7GoodVery GoodVery GoodVery Good-70350
December 200697.7GoodVery GoodVery GoodVery Good-58980
December 200497.7GoodVery GoodVery GoodVery Good-56850
May 200397.7GoodExcellentExcellentVery Good-56550
September 200295.7FairSatisfactorySatisfactoryGood-52100
September 200092.7FairSatisfactorySatisfactoryGoodFO44350
December 199893.0FairSatisfactorySatisfactoryGoodFO54880
September 199693.0FairSatisfactorySatisfactoryGoodFO45290
November 199494.0FairSatisfactorySatisfactoryGoodFO45200
August 199294.0FairSatisfactorySatisfactoryGoodFO29100
October 199094.0FairSatisfactorySatisfactoryGoodFO29100