I-20 over SR 139 M.L.K. JR. DRIVE


+33.76551, -84.51076
33°45'56" N, 84°30'39" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-20 over SR 139 M.L.K. JR. DRIVE
Structure number:000000012101660
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:71.9 ft. [21.9 m]
Total length:159.1 ft. [48.5 m]
Roadway width between curbs:128.0 ft. [39.0 m]
Deck width edge-to-edge:137.8 ft. [42.0 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:34°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:1979
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:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:146,330 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:51.5 tons [46.8 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:80.0
Estimated cost of work:$2,711,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201580.0FairGoodGoodSatisfactoryFO146330
June 201380.0FairGoodGoodSatisfactoryFO146330
June 201184.0FairGoodGoodSatisfactory-180900
August 200984.0FairGoodGoodSatisfactory-180900
July 200784.0FairGoodGoodSatisfactory-160640
July 200584.0FairGoodGoodSatisfactory-168670
July 200384.0FairGoodGoodSatisfactory-172800
September 200184.0GoodGoodGoodGood-123700
July 199980.0GoodGoodGoodGoodFO123700
October 199680.0GoodGoodGoodVery GoodFO123700
September 199480.0GoodGoodGoodVery GoodFO123700
August 199280.0GoodGoodGoodVery GoodFO110890
August 199081.0GoodGoodGoodVery GoodFO110890

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.3,8233,823000
Steel Protective Coatingsq. ft.33,30033,300000
Reinforced Concrete Decksq. ft.21,95121,951000
Wearing Surfacessq. ft.20,39020,390000
Reinforced Concrete Columneach2020000
Reinforced Concrete Abutmentlinear ft.274274000
Reinforced Concrete Pier Caplinear ft.274274000
Pourable Jointlinear ft.274274000
Compression Jointlinear ft.274000274
Movable Bearingeach7272000
Steel Protective Coatingsq. ft.7272000
Fixed Bearingeach2424000
Steel Protective Coatingsq. ft.2424000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.319319000