I0020 over I-20 RAMP W-N I-20 MKT S


+32.50664, -93.74540
32°30'24" N, 93°44'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0020 over I-20 RAMP W-N I-20 MKT S
Structure number:040904510118917
Location:I-20 RAMP TO LA 1
Purpose:Carries highway overpass over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:149.9 ft. [45.7 m]
Total length:1481.0 ft. [451.4 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Vertical clearance above deck:15.7 ft. [4.8 m]
Vertical clearance below bridge:13.1 ft. [4.0 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:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:9,620 [as of 2015]
Truck traffic:29% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:55.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$5,775,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017PoorFairPoorFair962055.3
July 2015PoorFairPoorFair962055.3
July 2014PoorFairPoorFair1302054.6
February 2014FairFairFairGood1255071.3
February 2013FairFairFairGood1208071.4
February 2012FairFairFairGood1047071.6
February 2011FairFairFairGood1047071.6
March 2010FairFairFairGood1028071.6
January 2009FairFairFairGood974071.7
March 2008PoorGoodPoorGood946056.3
February 2007PoorGoodPoorGood941056.3
March 2006PoorGoodPoorGood920056.4
February 2005PoorGoodPoorGood865056.5
March 2004PoorGoodPoorGood808056.6
February 2003PoorGoodPoorGood776055.8
May 2001PoorGoodPoorGood810055.8
April 2000PoorGoodPoorGood810059.8
April 1999PoorGoodPoorGood810059.8
March 1998PoorGoodPoorGood810059.8
January 1997PoorGoodPoorGood312860.7
June 1995PoorGoodPoorGood586361.2
June 1994PoorGoodPoorGood515459.3
April 1993PoorGoodPoorGood486861.3
March 1992FairGoodFairGood486877.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.8,0367,063893800
Steel Protective Coatingsq. ft.82,3640061,77320,591
Reinforced Concrete Decksq. ft.55,54744,12611,389320
Steel Pin or Pin & Hangar Assemblyeach110650
Steel Protective Coatingsq. ft.7807800
Reinforced Concrete Columneach4442200
Reinforced Concrete Abutmentlinear ft.8078110
Steel Pier Caplinear ft.4949000
Steel Protective Coatingsq. ft.38201422400
Reinforced Concrete Pier Caplinear ft.612610200
Strip Seal Jointlinear ft.3703700
Assembly with Sealeach3532030
Assembly without Seal Jointlinear ft.105010500
Movable Bearingeach7807710
Steel Protective Coatingsq. ft.1,02401,02400
Fixed Bearingeach3231100
Steel Protective Coatingsq. ft.420042000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,9792,979000