SR 20 - US 411 (WB over SR 293- CSX RR (340459V)


+34.21952, -84.85382
34°13'10" N, 84°51'14" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 20 - US 411 (WB over SR 293- CSX RR (340459V)
Structure number:000000001500270
Purpose:Carries highway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:56.1 ft. [17.1 m]
Total length:319.9 ft. [97.5 m]
Roadway width between curbs:41.3 ft. [12.6 m]
Deck width edge-to-edge:44.3 ft. [13.5 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:32°
Owner:State Highway Agency [01]
Year built:1959
Year reconstructed:2002
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:6
Main spans material:Steel [3]
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: September 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:15,480 [as of 2011]
Truck traffic:12% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 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:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.5
Estimated cost of work:$1,875,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016GoodVery GoodVery GoodGood1548081.5
September 2014GoodVery GoodVery GoodGood1548081.5
September 2012GoodVery GoodVery GoodGood1548083.6
September 2010GoodVery GoodVery GoodGood1773085.0
October 2008GoodVery GoodVery GoodGood1773085.0
September 2006GoodVery GoodVery GoodGood1799085.0
September 2004GoodVery GoodVery GoodGood1694085.0
October 2002GoodVery GoodVery GoodGood1950084.9
September 2000FairSatisfactoryGoodGood1088066.1
October 1998FairSatisfactoryGoodGood1088063.9
August 1996FairSatisfactoryGoodGood1088076.3
September 1994FairSatisfactoryVery GoodGood1088074.9
July 1992FairSatisfactoryVery GoodGood1088074.9
December 1990FairSatisfactoryVery GoodGood1088074.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,5602,560000
Steel Protective Coatingsq. ft.25,02025,020000
Reinforced Concrete Decksq. ft.14,20414,204000
Reinforced Concrete Columneach2020000
Reinforced Concrete Abutmentlinear ft.9090000
Reinforced Concrete Pier Caplinear ft.200020000
Pourable Jointlinear ft.294000294
Movable Bearingeach4848000
Steel Protective Coatingsq. ft.4848000
Fixed Bearingeach4848000
Steel Protective Coatingsq. ft.4848000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.640640000