I640 over BRANCH


+36.01806, -83.92278
36°01'05" N, 83°55'22" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I640 over BRANCH
Structure number:47I06400011
Location:.3 M E OF SR33
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:10.5 ft. [3.2 m]
Total length:43.6 ft. [13.3 m]
Skew angle:18°
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2014 

Status:Open, no restriction [A]
Average daily traffic:75,150 [as of 2014]
Truck traffic:14% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:98.0 tons [89.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:70.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$749,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201470.0Not deficient---75150
April 201270.0Not deficient---74810
April 201070.0Not deficient---68940
March 200870.0Not deficient---70350
December 200670.0Not deficient---73730
December 200470.0Not deficient---56850
September 200270.0Not deficient---52100
September 200070.0Not deficient---44350
December 199870.0Not deficient---54880
September 199670.0Not deficient---45290
November 199470.0Not deficient---45200
August 199270.0Not deficient---29100
October 199070.0Not deficient---29100