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I 20 over WEST HIGHLAND DRIVE

Map

Coordinates:
+32.28869, -90.24027
32°17'19" N, 90°14'25" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:I 20 over WEST HIGHLAND DRIVE
Structure number:11000200250426A
Location:1.6 MI E SR 18
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:60.0 ft. [18.3 m]
Total length:182.1 ft. [55.5 m]
Roadway width between curbs:50.9 ft. [15.5 m]
Deck width edge-to-edge:53.8 ft. [16.4 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1968
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:3
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: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:38,000 [as of 2014]
Truck traffic:13% of total traffic
Deck condition:Fair [5 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:53.4 tons [48.5 metric tons]
Inventory rating:49.7 tons [45.2 metric tons]
Sufficiency rating:84.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201684.0FairFairGoodGood-38000
August 201486.1FairFairGoodVery Good-37000
August 201286.0FairFairGoodVery Good-38000
July 201085.9FairFairGoodVery Good-39500
June 200885.1FairSatisfactoryVery GoodVery Good-37500
June 200688.1GoodVery GoodVery GoodVery Good-36500
October 200489.2GoodVery GoodVery GoodVery Good-35000
August 200288.0GoodVery GoodVery GoodVery Good-38500
September 200088.4GoodVery GoodVery GoodVery Good-30000
September 199888.4GoodVery GoodVery GoodVery Good-30000
November 199687.1GoodVery GoodVery GoodVery Good-28000
January 199585.6GoodVery GoodVery GoodVery GoodFO28000
April 199185.8GoodVery GoodVery GoodVery GoodFO25350