US Bridges

US0090-B over LA 428

Good

Orleans Parish, Louisiana · 1.88 MI South of Miss. Ri · Structure no. 023602830804297

Built
1993
32 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
588 ft
5 main spans
Daily traffic
7,620
2021 count
Owner
State
State Highway Agency

About this bridge

US0090-B over LA 428 is a prestressed concrete continuous stringer/multi-beam or girder carrying US0090-B over LA 428 in Orleans Parish, Louisiana. It was built in 1993, so it is 32 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 7,620 vehicles a day, roughly 25% of them trucks, projected to reach 8,382 by 2041. The structure is 588 ft (179.2 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS0090-B
CrossesLA 428
Location1.88 MI South of Miss. Ri
RouteU.S. Route 90
CountyOrleans Parish
StateLouisiana
Coordinates29.93069, -90.0388
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+5 approach)
Design loadHS 20
Structure length588 ft (179.2 m)
Longest span116 ft (35.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic7,620 (2021)
Projected traffic8,382 by 2041
Trucks25%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 built?

It was built in 1993, making it 32 years old in 2025.

What condition is US0090-B over LA 428 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 February 2024.

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

About 7,620 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is US0090-B over LA 428?

The structure is 588 ft (179.2 m) long with a longest span of 116 ft (35.4 m) and a deck 31 ft wide.

Who owns US0090-B over LA 428?

It is owned by the State Highway Agency.