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JOHNSTONVILLE RD over I-75

Map

Coordinates:
+33.11226, -84.00287
33°06'44" N, 84°00'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:JOHNSTONVILLE RD over I-75
Structure number:000000020700600
Location:6 MI N OF FORSYTH
Purpose:Carries highway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:69.9 ft. [21.3 m]
Total length:259.9 ft. [79.2 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1966
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,180 [as of 2011]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:73.1
Estimated cost of work:$1,524,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016FairSatisfactoryGoodGood118073.1
October 2014FairSatisfactoryGoodGood118073.1
October 2012FairSatisfactoryGoodGood118077.1
October 2010FairSatisfactoryVery GoodGood90077.6
November 2008FairSatisfactoryVery GoodGood90077.6
October 2006FairSatisfactoryVery GoodGood101077.4
October 2004FairSatisfactoryVery GoodGood61089.4
November 2002FairSatisfactoryVery GoodGood60089.4
December 2000GoodGoodVery GoodGood70087.3
December 1998GoodGoodGoodGood70087.3
August 1996GoodGoodGoodGood70087.3
October 1994FairGoodSatisfactoryGood60087.4
February 1993FairGoodSatisfactoryGood47087.6
March 1991FairGoodSatisfactoryGood47087.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,0401,040000
Steel Protective Coatingsq. ft.9,20609,20600
Deck
Reinforced Concrete Decksq. ft.8,97006,0002,9700
Substructure
Reinforced Concrete Columneach64200
Reinforced Concrete Abutmentlinear ft.6868000
Reinforced Concrete Pier Caplinear ft.93395220
Joints
Pourable Jointlinear ft.145870058
Bearings
Movable Bearingeach80800
Steel Protective Coatingsq. ft.1600160
Fixed Bearingeach1201200
Steel Protective Coatingsq. ft.2400240
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.520520000