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:52.2 ft. [15.9 m]
Deck width edge-to-edge:55.1 ft. [16.8 m]
Vertical clearance below bridge:17.4 ft. [5.3 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 

Good/Fair/Poor Condition:Good
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201599.0GoodGoodVery GoodVery Good-91700
December 201399.0GoodGoodVery GoodVery Good-90700
December 201199.0GoodGoodVery GoodVery Good-93300
July 200899.0FairVery GoodSatisfactoryGood-81900
June 200699.0GoodVery GoodVery GoodVery Good-85100
June 200499.0GoodVery GoodVery GoodVery Good-78700
July 200299.0GoodVery GoodVery GoodVery Good-83200
July 199899.0GoodVery GoodVery GoodVery Good-85592
June 1993100.0GoodVery GoodVery GoodVery Good-68000