Share:

ROBINSON ROAD EXT over I 20

Map

Coordinates:
+32.29035, -90.26163
32°17'25" N, 90°15'42" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ROBINSON ROAD EXT over I 20
Structure number:510002002504140
Location:0.3 MI E SR 18
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:69.9 ft. [21.3 m]
Total length:381.9 ft. [116.4 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:15°
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 / HS 20 [5]
Number of main spans:8
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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,000 [as of 2014]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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: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:$999,999,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016FairSatisfactoryGoodVery Good1000074.8
August 2014FairSatisfactoryGoodVery Good990075.4
August 2012GoodGoodGoodVery Good990075.4
June 2010GoodVery GoodGoodVery Good990075.4
June 2008GoodVery GoodGoodVery Good1200075.3
June 2006GoodVery GoodGoodVery Good1200078.3
October 2004GoodVery GoodGoodVery Good600078.6
August 2002GoodVery GoodGoodVery Good2000077.8
September 2000GoodVery GoodGoodVery Good900078.4
September 1998GoodVery GoodGoodVery Good900078.4
November 1996GoodVery GoodGoodVery Good820079.0
January 1995GoodVery GoodGoodVery Good207081.5
March 1993GoodVery GoodGoodVery Good188082.5
April 1991GoodVery GoodGoodVery Good40091.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,5202,516040
Deck
Reinforced Concrete Decksq. ft.13,404013,40400
Substructure
Reinforced Concrete Columneach1414000
Reinforced Concrete Abutmentlinear ft.136136000
Reinforced Concrete Pier Caplinear ft.259259000
Joints
Compression Jointlinear ft.5252000
Open Jointlinear ft.217217000
Bearings
Elastomeric Bearingeach7272000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.764758060
Reinforced Concrete Bridge Raillinear ft.764764000