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ROBINSON ROAD EXT over I 20

Map

Coordinates:
+32.29110, -90.26159
32°17'28" N, 90°15'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:ROBINSON ROAD EXT over I 20
Structure number:510002002504140
Location:0.3 MI E SR 18
Purpose:Carries highway over highway
Route classification:Collector (Urban) [17]
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:16.7 ft. [5.1 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]
Operating rating:77.7 tons [70.6 metric tons]
Inventory rating:50.6 tons [46.0 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201674.8FairSatisfactoryGoodVery GoodFO10000
August 201475.4FairSatisfactoryGoodVery GoodFO9900
August 201275.4GoodGoodGoodVery GoodFO9900
June 201075.4GoodVery GoodGoodVery GoodFO9900
June 200875.3GoodVery GoodGoodVery GoodFO12000
June 200678.3GoodVery GoodGoodVery GoodFO12000
October 200478.6GoodVery GoodGoodVery GoodFO6000
August 200277.8GoodVery GoodGoodVery GoodFO20000
September 200078.4GoodVery GoodGoodVery GoodFO9000
September 199878.4GoodVery GoodGoodVery GoodFO9000
November 199679.0GoodVery GoodGoodVery GoodFO8200
January 199581.5GoodVery GoodGoodVery GoodFO2070
March 199382.5GoodVery GoodGoodVery GoodFO1880
April 199191.0GoodVery GoodGoodVery GoodFO400