US Bridges

US0090 over Metairie Relief Canal

Good

Orleans Parish, Louisiana · 0.2 MI S of LA 3139 · Structure no. 023600000020551

Built
2018
7 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
28,615
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Metairie Relief Canal is a concrete culvert carrying US0090 over Metairie Relief Canal in Orleans Parish, Louisiana. It was built in 2018, so it is 7 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 28,615 vehicles a day, projected to reach 31,476 by 2041. The structure is 42 ft (12.8 m) long and 97 ft wide.

CarriesUS0090
CrossesMetairie Relief Canal
Location0.2 MI S of LA 3139
RouteU.S. Route 90
Coordinates29.96381, -90.13057
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width97 ft (29.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,615 (2021)
Projected traffic31,476 by 2041
Trucks—
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0090 over Metairie Relief Canal built?

It was built in 2018, making it 7 years old in 2025.

What condition is US0090 over Metairie Relief Canal 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 over Metairie Relief Canal carry?

About 28,615 vehicles per day (2021 count).

How long is US0090 over Metairie Relief Canal?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 97 ft wide.

Who owns US0090 over Metairie Relief Canal?

It is owned by the State Highway Agency.