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I0020 over I-20 RAMP W-S, MKT ST.

Map

Coordinates:
+32.50456, -93.74680
32°30'16" N, 93°44'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0020 over I-20 RAMP W-S, MKT ST.
Structure number:040904510118617
Location:1.25 MI EAST OF US 80
Purpose:Carries highway overpass over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:164.1 ft. [50.0 m]
Total length:3176.0 ft. [968.0 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:13.1 ft. [4.0 m]
Skew angle:13°
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]
Number of main spans:10
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:9,620 [as of 2015]
Truck traffic:29% 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:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:74.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$12,385,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2016GoodGoodGoodGood962074.8
August 2015GoodGoodGoodGood962074.8
June 2014GoodGoodGoodGood1369076.3
March 2012GoodGoodGoodGood997076.8
March 2010GoodGoodGoodGood955076.8
February 2008GoodVery GoodGoodVery Good772077.1
March 2006GoodVery GoodGoodVery Good696077.2
March 2004GoodVery GoodGoodVery Good733077.1
April 2002GoodVery GoodGoodVery Good868076.9
April 2000GoodVery GoodGoodVery Good810079.0
March 1998GoodVery GoodGoodVery Good810079.0
May 1996GoodVery GoodGoodVery Good312879.6
April 1995GoodVery GoodGoodVery Good586379.4
May 1994GoodVery GoodVery GoodVery Good515479.5
March 1992GoodVery GoodVery GoodVery Good734279.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.8,3658,365000
Steel Protective Coatingsq. ft.123,8000123,80000
Prestressed Concrete Girder/Beamlinear ft.6,2886,288000
Deck
Reinforced Concrete Decksq. ft.100,43299,76067200
Substructure
Reinforced Concrete Columneach5151000
Reinforced Concrete Abutmentlinear ft.3736100
Steel Pier Caplinear ft.4544100
Steel Protective Coatingsq. ft.675675000
Reinforced Concrete Pier Caplinear ft.1,0861,080600
Joints
Strip Seal Jointlinear ft.300300000
Compression Jointlinear ft.175175000
Assembly with Sealeach128128000
Bearings
Elastomeric Bearingeach116116000
Movable Bearingeach7572120
Steel Protective Coatingsq. ft.877877000
Fixed Bearingeach1212000
Steel Protective Coatingsq. ft.140140000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6,6326,632000