RAMP A (I 20) over TERRY RD


+32.27953, -90.21299
32°16'46" N, 90°12'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RAMP A (I 20) over TERRY RD
Structure number:17000200250446C
Location:3.5 MI E SR 18
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:252.0 ft. [76.8 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:25°
Owner:State Highway Agency [01]
Year built:1966
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:8,500 [as of 2017]
Truck traffic:18% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:78.2
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$287,000,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018GoodGoodVery GoodVery Good850078.2
August 2016GoodGoodVery GoodVery Good680077.2
August 2014GoodGoodVery GoodVery Good680077.2
August 2012GoodVery GoodVery GoodVery Good680077.2
July 2010GoodVery GoodVery GoodVery Good690077.2
June 2008GoodVery GoodVery GoodVery Good690075.2
June 2006GoodVery GoodVery GoodVery Good690078.2
October 2004GoodVery GoodVery GoodVery Good640078.2
August 2002GoodVery GoodVery GoodVery Good635078.2
September 2000GoodVery GoodVery GoodVery Good635078.2
September 1998GoodVery GoodVery GoodVery Good635078.2
November 1996GoodVery GoodVery GoodVery Good635078.2
January 1995GoodVery GoodVery GoodVery Good580080.5
April 1991GoodVery GoodVery GoodVery Good528080.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,0201,020000
Reinforced Concrete Decksq. ft.8,2678,267000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.146146000
Reinforced Concrete Pier Caplinear ft.9999000
Compression Jointlinear ft.140000140
Elastomeric Bearingeach3636000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.502502000
Reinforced Concrete Bridge Raillinear ft.502502000