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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.12,07012,070000
Reinforced Concrete Decksq. ft.92,300092,30000
Reinforced Concrete Pier Walllinear ft.3333000
Reinforced Concrete Abutmentlinear ft.7575000
Reinforced Concrete Pileeach5151000
Reinforced Concrete Pier Caplinear ft.1,1051,105000
Strip Seal Jointlinear ft.82527505500
Pourable Jointlinear ft.38513525000
Elastomeric Bearingeach306306000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3,6403,640000
Reinforced Concrete Slabsq. ft.26,00026,000000