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I0020 over I-20 RAMP W-N OVER I-20

Map

Coordinates:
+32.45473, -93.84789
32°27'17" N, 93°50'52" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0020 over I-20 RAMP W-N OVER I-20
Structure number:040904510111687
Location:I-220 RAMPS OVER I-20
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:154.9 ft. [47.2 m]
Total length:630.0 ft. [192.0 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1985
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel continuous [4]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,160 [as of 2016]
Truck traffic:19% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:77.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactorySatisfactorySatisfactory716077.5
March 2016FairSatisfactorySatisfactorySatisfactory716077.5
March 2014FairSatisfactorySatisfactorySatisfactory858077.2
March 2012GoodGoodGoodGood750077.3
March 2010GoodGoodGoodGood728077.3
February 2008GoodVery GoodGoodVery Good688077.4
January 2006GoodVery GoodGoodVery Good541077.6
February 2004GoodVery GoodGoodVery Good538077.6
March 2002GoodVery GoodGoodVery Good522077.6
March 2000GoodVery GoodGoodVery Good587179.5
March 1998GoodVery GoodGoodVery Good587199.4
March 1996GoodVery GoodGoodVery Good291799.7
May 1994GoodVery GoodGoodVery Good582899.6
March 1992GoodVery GoodGoodVery Good460599.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,55202,55200
Steel Protective Coatingsq. ft.38,280038,28000
Deck
Reinforced Concrete Decksq. ft.17,63017,02606040
Substructure
Reinforced Concrete Columneach40400
Reinforced Concrete Abutmentlinear ft.5605600
Reinforced Concrete Pier Caplinear ft.107970100
Joints
Assembly with Sealeach5044060
Bearings
Movable Bearingeach2012080
Steel Protective Coatingsq. ft.8585000
Fixed Bearingeach44000
Steel Protective Coatingsq. ft.1717000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3861,386000