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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: August 2014 

Status:Open, no restriction [A]
Average daily traffic:37,000 [as of 2012]
Truck traffic:13% of total traffic
Deck condition:Fair [5 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: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:86.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201486.1Not deficientFairGoodVery Good37000
August 201286.0Not deficientFairGoodVery Good38000
July 201085.9Not deficientFairGoodVery Good39500
June 200885.1Not deficientSatisfactoryVery GoodVery Good37500
June 200688.1Not deficientVery GoodVery GoodVery Good36500
October 200489.2Not deficientVery GoodVery GoodVery Good35000
August 200288.0Not deficientVery GoodVery GoodVery Good38500
September 200088.4Not deficientVery GoodVery GoodVery Good30000
September 199888.4Not deficientVery GoodVery GoodVery Good30000
November 199687.1Not deficientVery GoodVery GoodVery Good28000
January 199585.6Functionally obsoleteVery GoodVery GoodVery Good28000
April 199185.8Functionally obsoleteVery GoodVery GoodVery Good25350