US Bridges

W. Metairie Ave N over Soniat Canal

Good

Jefferson Parish, Louisiana · 2.06 MI W of LA 3152 · Structure no. 022600000000049

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
160 ft
4 main spans
Daily traffic
2,000
2016 count
Owner
County
County Highway Agency

About this bridge

W. Metairie Ave N over Soniat Canal is a prestressed concrete continuous stringer/multi-beam or girder carrying W. Metairie Ave N over Soniat Canal in Jefferson Parish, Louisiana. It was built in 2017, so it is 8 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 2,000 vehicles a day, projected to reach 2,200 by 2036. The structure is 160 ft (48.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesW. Metairie Ave N
CrossesSoniat Canal
Location2.06 MI W of LA 3152
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates29.98522, -90.215
Functional classUrban Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2016)
Projected traffic2,200 by 2036
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 W. Metairie Ave N over Soniat Canal built?

It was built in 2017, making it 8 years old in 2025.

What condition is W. Metairie Ave N over Soniat 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 May 2023.

How much traffic does W. Metairie Ave N over Soniat Canal carry?

About 2,000 vehicles per day (2016 count).

How long is W. Metairie Ave N over Soniat Canal?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns W. Metairie Ave N over Soniat Canal?

It is owned by the County Highway Agency.