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I-20 over CSX RAILROAD- MARTA

Map

Coordinates:
+33.75486, -84.46634
33°45'17" N, 84°27'59" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-20 over CSX RAILROAD- MARTA
Structure number:000000012101710
Location:IN CITY OF ATLANTA
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:121.1 ft. [36.9 m]
Total length:303.2 ft. [92.4 m]
Roadway width between curbs:117.5 ft. [35.8 m]
Deck width edge-to-edge:123.7 ft. [37.7 m]
Skew angle:44°
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1981
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 [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:121,020 [as of 2011]
Truck traffic:1% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:38.6 tons [35.1 metric tons]
Inventory rating:22.8 tons [20.7 metric tons]
Sufficiency rating:70.7
Estimated cost of work:$4,682,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201670.7GoodGoodGoodGood-121020
October 201470.7GoodGoodGoodGood-121020
October 201266.2GoodGoodGoodGoodFO121020
October 201071.5GoodGoodGoodGoodFO154810
November 200881.5GoodGoodGoodGood-154810
November 200681.7GoodGoodGoodGood-152230
December 200482.5GoodGoodGoodGood-136730
January 200375.4GoodGoodGoodGood-166000
February 200177.6GoodGoodGoodGood-125000
February 199977.8GoodGoodGoodGood-122300
September 199482.8GoodGoodGoodGood-115370
August 199282.8GoodGoodGoodGood-115370
August 199090.9GoodGoodGoodGood-94640

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.5,4455,445000
Deck
Prestressed Concrete Decksq. ft.37,41937,419000
Substructure
Reinforced Concrete Columneach2020000
Reinforced Concrete Abutmentlinear ft.248248000
Reinforced Concrete Pier Caplinear ft.248248000
Joints
Pourable Jointlinear ft.49637262620
Bearings
Movable Bearingeach5454000
Fixed Bearingeach5454000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.605605000
Coatings
Wearing Surfacessq. ft.35,54435,544000
Steel Protective Coatingsq. ft.53,85041,830012,0200