I640 LL over I640-LL (WB) / I275


+36.00000, -83.95833
36°00'00" N, 83°57'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I640 LL over I640-LL (WB) / I275
Structure number:47I02750020
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:52.8 ft. [16.1 m]
Total length:180.8 ft. [55.1 m]
Roadway width between curbs:54.5 ft. [16.6 m]
Deck width edge-to-edge:56.8 ft. [17.3 m]
Vertical clearance above deck:18.4 ft. [5.6 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
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:Satisfactory [6 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: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:90.1 tons [81.9 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:86.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201486.6Functionally obsoleteSatisfactorySatisfactorySatisfactory75150
April 201286.6Functionally obsoleteSatisfactorySatisfactorySatisfactory74810
April 201087.2Functionally obsoleteGoodGoodGood68940
March 200887.1Functionally obsoleteGoodGoodGood70350
December 200686.8Functionally obsoleteGoodGoodGood73730
November 200486.6Functionally obsoleteVery GoodGoodGood75230
September 200286.9Functionally obsoleteSatisfactoryGoodGood72460
September 200087.3Functionally obsoleteSatisfactoryGoodGood67830
December 199887.5Functionally obsoleteSatisfactoryGoodGood66490
September 199687.8Functionally obsoleteSatisfactoryGoodGood62640
November 199489.6Functionally obsoleteSatisfactoryGoodGood55980
August 199289.7Functionally obsoleteSatisfactoryGoodGood54800
October 199089.7Functionally obsoleteSatisfactoryGoodGood54800