NFA 1405 (SA 4505) over PIEDMOUNT BRANCH


+36.01889, -83.53528
36°01'08" N, 83°32'07" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA 1405 (SA 4505) over PIEDMOUNT BRANCH
Structure number:45014050003
Location:.22 M S OF SR9
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:12.1 ft. [3.7 m]
Total length:24.6 ft. [7.5 m]
Owner:County Highway Agency [02]
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: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,510 [as of 2016]
Truck traffic:4% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
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:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
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:86.7

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
May 201586.7Fair5 out of 10-2510
May 201397.8Fair6 out of 10-2510
May 201186.7Fair5 out of 10-2510
May 200997.8Fair6 out of 10-2510
May 200797.8Fair6 out of 10-2510
May 200599.8Fair6 out of 10-2580
May 200399.8Fair6 out of 10-2580
April 200199.8Fair6 out of 10-2650
June 199999.8Fair6 out of 10-2330
April 199799.8Fair6 out of 10-2090
June 199599.9Fair6 out of 10-1410
May 199399.9Fair6 out of 10-1050
August 199199.9Fair6 out of 10-750