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 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
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. RatingConditionCulvert ConditionSD/FOADT
April 201670.0Fair6 out of 10-76230
April 201470.0Fair6 out of 10-75150
April 201270.0Fair6 out of 10-74810
April 201070.0Fair6 out of 10-68940
March 200870.0Fair6 out of 10-70350
December 200670.0Fair6 out of 10-73730
December 200470.0Fair6 out of 10-56850
September 200270.0Fair6 out of 10-52100
September 200070.0Fair6 out of 10-44350
December 199870.0Fair6 out of 10-54880
September 199670.0Fair6 out of 10-45290
November 199470.0Fair6 out of 10-45200
August 199270.0Fair6 out of 10-29100
October 199070.0Fair6 out of 10-29100