I81 over BRANCH


+36.11917, -83.32528
36°07'09" N, 83°19'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I81 over BRANCH
Structure number:45I00810021
Location:.9 M NE OF SR341-I81 EXC
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:9.2 ft. [2.8 m]
Total length:21.7 ft. [6.6 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1960
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:36,220 [as of 2015]
Truck traffic:29% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
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:83.0

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
June 201683.0Fair6 out of 10-36220
June 201483.0Fair6 out of 10-36710
June 201284.0Fair6 out of 10-45220
July 201084.0Fair6 out of 10-45940
June 200884.0Fair6 out of 10-43600
June 200684.0Fair6 out of 10-33800
July 200485.0Fair6 out of 10-33140
May 200285.0Fair6 out of 10-37200
May 200085.0Fair6 out of 10-35860
July 199885.0Fair6 out of 10-34490
June 199685.0Fair6 out of 10-25990
August 199485.0Fair6 out of 10-27770
June 199285.0Fair6 out of 10-20550
August 199085.0Good7 out of 10-20550