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FAU 320 over MACKEY BRANCH

Map

Coordinates:
+35.00722, -85.15355
35°00'26" N, 85°09'13" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FAU 320 over MACKEY BRANCH
Structure number:33S43070005
Location:1.81 MI. E OF I-75 JCT.
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:18.0 ft. [5.5 m]
Total length:58.1 ft. [17.7 m]
Roadway width between curbs:59.7 ft. [18.2 m]
Deck width edge-to-edge:68.9 ft. [21.0 m]
Owner:State Highway Agency [01]
Year built:1992
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:29,710 [as of 2015]
Truck traffic:3% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:65.7
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$319,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
March 2017Good7 out of 102971065.7
February 2015Good7 out of 103040065.3
February 2013Fair6 out of 102955066.7
February 2011Fair6 out of 102897067.0
March 2009Fair6 out of 102859067.2
March 2007Fair6 out of 102969066.7
January 2005Good7 out of 102957066.7
February 2003Good7 out of 102905067.0
April 2001Good7 out of 102773067.6
March 1999Good7 out of 102718067.9
April 1997Good7 out of 102423069.3
April 1995Good9 out of 102613068.4
April 1993Good9 out of 102388069.5
May 1991GoodN out of 102050062.3