US Bridges

US0090-B over LA.428

Good

Orleans Parish, Louisiana · 1.86 MI South of Miss. Ri · Structure no. 023602830804278

Built
1993
32 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
3 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 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 252 ft (76.8 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0090-B
CrossesLA.428
Location1.86 MI South of Miss. Ri
RouteU.S. Route 90
CountyOrleans Parish
StateLouisiana
Coordinates29.93017, -90.0379
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span109 ft (33.2 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

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 statusHistorical significance not determinable at this time
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 March 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 252 ft (76.8 m) long with a longest span of 109 ft (33.2 m) and a deck 22 ft wide.

Who owns US0090-B over LA.428?

It is owned by the State Highway Agency.