I640 LL over I640-LL / WASHINGTON PK.


+36.03222, -83.88694
36°01'56" N, 83°53'13" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I640 LL over I640-LL / WASHINGTON PK.
Structure number:47I06400022
Location:E. OF SR 33
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:111.9 ft. [34.1 m]
Total length:224.1 ft. [68.3 m]
Roadway width between curbs:58.4 ft. [17.8 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Skew angle:43°
Owner:State Highway Agency [01]
Year built:1981
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:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2014 

Status:Open, no restriction [A]
Average daily traffic:51,910 [as of 2014]
Truck traffic:14% of total traffic
Deck condition:Very Good [8 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:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
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:93.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201493.1Not deficientVery GoodGoodGood51910
May 201293.1Not deficientExcellentVery GoodVery Good52340
May 201093.8Not deficientExcellentVery GoodVery Good45280
April 200893.6Not deficientExcellentVery GoodVery Good47230
December 200694.4Not deficientGoodGoodGood37960
December 200494.6Not deficientGoodGoodGood36230
September 200294.9Not deficientGoodGoodGood33350
September 200095.3Not deficientGoodGoodGood28880
December 199894.8Not deficientGoodGoodGood33670
September 199693.8Not deficientGoodGoodGood45290
November 199494.6Not deficientGoodGoodGood45200
August 199295.8Not deficientGoodGoodGood29100
October 199095.8Not deficientGoodGoodGood29100