US Bridges

W. Metairie Ave over Suburban Canal

Poor

Jefferson Parish, Louisiana · 0.1MI.E.OF Houma Blv · Structure no. 022629589901052

Built
1968
57 years old
Condition
Poor
inspected May 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
24,900
1979 count
Owner
County
County Highway Agency

About this bridge

W. Metairie Ave over Suburban Canal is a concrete slab carrying W. Metairie Ave over Suburban Canal in Jefferson Parish, Louisiana. It was built in 1968, so it is 57 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 24,900 vehicles a day, projected to reach 27,390 by 1999. The structure is 57 ft (17.4 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesW. Metairie Ave
CrossesSuburban Canal
Location0.1MI.E.OF Houma Blv
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates29.98254, -90.17458
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width39 ft (12 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,900 (1979)
Projected traffic27,390 by 1999
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W. Metairie Ave over Suburban Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is W. Metairie Ave over Suburban Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

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

About 24,900 vehicles per day (1979 count).

How long is W. Metairie Ave over Suburban Canal?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 39 ft wide.

Who owns W. Metairie Ave over Suburban Canal?

It is owned by the County Highway Agency.