NFA 1256 (SA 4716) over KNOB FORK CREEK


+36.02556, -83.99083
36°01'32" N, 83°59'27" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA 1256 (SA 4716) over KNOB FORK CREEK
Structure number:47S24100005
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:22.6 ft. [6.9 m]
Total length:69.9 ft. [21.3 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:59.4 ft. [18.1 m]
Skew angle:45°
Owner:City or Municipal Highway Agency [04]
Year built:2006
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:8,130 [as of 2017]
Truck traffic:3% of total traffic
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Culvert condition:No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:97.0

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
June 201697.0Good8 out of 10-8130
June 201497.0Good8 out of 10-8130
June 201297.0Good8 out of 10-8130
June 201097.0Good8 out of 10-8130
June 200897.0Good8 out of 10-8130
August 200797.0Good8 out of 10-8130
June 200627.5Poor4 out of 10SD8080
May 200426.7Poor4 out of 10SD8640
May 200227.8Poor4 out of 10SD7850
April 200025.2Poor4 out of 10SD9720
July 199827.8Poor4 out of 10SD7840
January 199626.9Poor4 out of 10SD8500
September 199329.7Poor4 out of 10SD6400
October 199130.0Poor4 out of 10SD6200