US Bridges

Palm ST over Metairie Relief Canal

Good

Jefferson Parish, Louisiana · 0.01M North of Orpheum · Structure no. 022629585900761

Built
1993
32 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
109 ft
1 main span
Daily traffic
2,000
1991 count
Owner
County
County Highway Agency

About this bridge

Palm ST over Metairie Relief Canal is a prestressed concrete stringer/multi-beam or girder carrying Palm ST over Metairie Relief Canal in Jefferson 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 2,000 vehicles a day, projected to reach 2,200 by 2011. The structure is 109 ft (33.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPalm ST
CrossesMetairie Relief Canal
Location0.01M North of Orpheum
RouteCity Street 0
Coordinates29.97599, -90.12561
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span109 ft (33.2 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (1991)
Projected traffic2,200 by 2011
Trucks—
Lanes on structure2
Traffic directionTwo-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 Palm ST over Metairie Relief Canal built?

It was built in 1993, making it 32 years old in 2025.

What condition is Palm ST 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 May 2023.

How much traffic does Palm ST over Metairie Relief Canal carry?

About 2,000 vehicles per day (1991 count).

How long is Palm ST over Metairie Relief Canal?

The structure is 109 ft (33.2 m) long with a longest span of 109 ft (33.2 m) and a deck 36 ft wide.

Who owns Palm ST over Metairie Relief Canal?

It is owned by the County Highway Agency.