NFA A823 over MYRTLEWOOD RD. / I75


+35.97861, -83.97889
35°58'43" N, 83°58'44" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:NFA A823 over MYRTLEWOOD RD. / I75
Structure number:47I00750015
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:169.6 ft. [51.7 m]
Total length:310.4 ft. [94.6 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:36°
Owner:State Highway Agency [01]
Year built:1981
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2015 

Status:Open, no restriction [A]
Average daily traffic:730 [as of 2015]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:96.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201596.7Not deficientGoodGoodGood730
January 201396.7Not deficientGoodGoodGood730
January 201196.7Not deficientSatisfactorySatisfactorySatisfactory730
February 200996.7Not deficientSatisfactorySatisfactorySatisfactory730
December 200698.7Not deficientSatisfactorySatisfactorySatisfactory730
December 200498.7Not deficientSatisfactorySatisfactorySatisfactory730
March 200398.7Not deficientSatisfactorySatisfactorySatisfactory730
February 200195.8Not deficientGoodGoodSatisfactory500
December 199897.8Not deficientGoodGoodSatisfactory500
February 199797.8Not deficientGoodGoodSatisfactory500
January 199597.8Not deficientGoodGoodSatisfactory500
January 199397.8Not deficientGoodGoodGood500
November 199097.8Not deficientGoodGoodGood500