US Bridges

US0090-B over LA 428/RAMPS

Good

Orleans Parish, Louisiana · 1.79 MI South of Miss. Ri · Structure no. 023602830804201

Built
1989
36 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,822 ft
23 main spans
Daily traffic
67,143
2021 count
Owner
State
State Highway Agency

About this bridge

US0090-B over LA 428/RAMPS is a prestressed concrete continuous stringer/multi-beam or girder carrying US0090-B over LA 428/RAMPS in Orleans Parish, Louisiana. It was built in 1989, so it is 36 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 67,143 vehicles a day, roughly 25% of them trucks, projected to reach 73,857 by 2041. The structure is 1,822 ft (555.3 m) long and 55 ft wide.

Location

Open in Google Maps
CarriesUS0090-B
CrossesLA 428/RAMPS
Location1.79 MI South of Miss. Ri
RouteU.S. Route 90
CountyOrleans Parish
StateLouisiana
Coordinates29.93217, -90.0383
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans23 (+6 approach)
Design loadHS 20
Structure length1,822 ft (555.3 m)
Longest span104 ft (31.7 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deck37 ft (11.2 m)

Traffic and service

Average daily traffic67,143 (2021)
Projected traffic73,857 by 2041
Trucks25%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US0090-B over LA 428/RAMPS built?

It was built in 1989, making it 36 years old in 2025.

What condition is US0090-B over LA 428/RAMPS in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does US0090-B over LA 428/RAMPS carry?

About 67,143 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is US0090-B over LA 428/RAMPS?

The structure is 1,822 ft (555.3 m) long with a longest span of 104 ft (31.7 m) and a deck 55 ft wide.

Who owns US0090-B over LA 428/RAMPS?

It is owned by the State Highway Agency.