US0090B over LA 428/RAMPS


+29.93011, -90.03822
29°55'48" N, 90°02'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US0090B over LA 428/RAMPS
Structure number:023602830804201
Location:1.79 MI SOUTH OF MISS. RI
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:104.0 ft. [31.7 m]
Total length:1821.9 ft. [555.3 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:55.1 ft. [16.8 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Owner:State Highway Agency [01]
Year built:1989
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:18
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: December 2015 

Status:Open, no restriction [A]
Average daily traffic:91,700 [as of 2015]
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:Equal to present desirable criteria [8]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:70.3 tons [63.9 metric tons]
Inventory rating:41.6 tons [37.8 metric tons]
Sufficiency rating:99.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201599.0Not deficientGoodVery GoodVery Good91700
December 201399.0Not deficientGoodVery GoodVery Good90700
December 201199.0Not deficientGoodVery GoodVery Good93300
July 200899.0Not deficientVery GoodSatisfactoryGood81900
June 200699.0Not deficientVery GoodVery GoodVery Good85100
June 200499.0Not deficientVery GoodVery GoodVery Good78700
July 200299.0Not deficientVery GoodVery GoodVery Good83200
July 199899.0Not deficientVery GoodVery GoodVery Good85592
June 1993100.0Not deficientVery GoodVery GoodVery Good68000
199397.0Not deficient---37112