US Bridges

US0090-B over LA 428/US 90B/RAMPS/STS

Good

Orleans Parish, Louisiana · 1.74 MI South of Miss. Ri · Structure no. 023602830804157

Built
1989
36 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
3,164 ft
6 main spans
Daily traffic
7,620
2021 count
Owner
State
State Highway Agency

About this bridge

US0090-B over LA 428/US 90B/RAMPS/STS is a steel stringer/multi-beam or girder carrying US0090-B over LA 428/US 90B/RAMPS/STS 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 7,620 vehicles a day, roughly 25% of them trucks, projected to reach 8,382 by 2041. The structure is 3,164 ft (964.4 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0090-B
CrossesLA 428/US 90B/RAMPS/STS
Location1.74 MI South of Miss. Ri
RouteU.S. Route 90
CountyOrleans Parish
StateLouisiana
Coordinates29.93313, -90.0384
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6 (+35 approach)
Design loadHS 20
Structure length3,164 ft (964.4 m)
Longest span244 ft (74.4 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck19 ft (5.9 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/US 90B/RAMPS/STS built?

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

What condition is US0090-B over LA 428/US 90B/RAMPS/STS 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 June 2024.

How much traffic does US0090-B over LA 428/US 90B/RAMPS/STS carry?

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

How long is US0090-B over LA 428/US 90B/RAMPS/STS?

The structure is 3,164 ft (964.4 m) long with a longest span of 244 ft (74.4 m) and a deck 25 ft wide.

Who owns US0090-B over LA 428/US 90B/RAMPS/STS?

It is owned by the State Highway Agency.