US Bridges

US0090-B over Off Ramp ST-3

Good

Jefferson Parish, Louisiana · .4 MI West of LA 23 · Structure no. 022602830901018

Built
1985
40 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
584 ft
2 main spans
Daily traffic
15,955
2021 count
Owner
State
State Highway Agency

About this bridge

US0090-B over Off Ramp ST-3 is a concrete continuous box beam or girders - multiple carrying US0090-B over Off Ramp ST-3 in Jefferson Parish, Louisiana. It was built in 1985, so it is 40 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 15,955 vehicles a day, roughly 25% of them trucks, projected to reach 17,550 by 2041. The structure is 584 ft (178 m) long and 23 ft wide.

Location

Open in Google Maps
CarriesUS0090-B
CrossesOff Ramp ST-3
Location.4 MI West of LA 23
RouteU.S. Route 90
CountyJefferson Parish
StateLouisiana
Coordinates29.91326, -90.05004
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum 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 rating45 US tons
Inventory rating33.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+8 approach)
Design loadHS 20
Structure length584 ft (178 m)
Longest span132 ft (40.2 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,955 (2021)
Projected traffic17,550 by 2041
Trucks25%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US0090-B over Off Ramp ST-3 built?

It was built in 1985, making it 40 years old in 2025.

What condition is US0090-B over Off Ramp ST-3 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 November 2024.

How much traffic does US0090-B over Off Ramp ST-3 carry?

About 15,955 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is US0090-B over Off Ramp ST-3?

The structure is 584 ft (178 m) long with a longest span of 132 ft (40.2 m) and a deck 23 ft wide.

Who owns US0090-B over Off Ramp ST-3?

It is owned by the State Highway Agency.