US Bridges

Destrehan Ave over Cousins Canal

Fair

Jefferson Parish, Louisiana · 0.4 MI NE of Long Leaf LN · Structure no. 022629523900431

Built
2005
20 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
220 ft
1 main span
Daily traffic
2,000
1979 count
Owner
County
County Highway Agency

About this bridge

Destrehan Ave over Cousins Canal is a prestressed concrete continuous stringer/multi-beam or girder carrying Destrehan Ave over Cousins Canal in Jefferson Parish, Louisiana. It was built in 2005, so it is 20 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,000 vehicles a day, projected to reach 2,200 by 1999. The structure is 220 ft (67.1 m) long and 69 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesDestrehan Ave
CrossesCousins Canal
Location0.4 MI NE of Long Leaf LN
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates29.87107, -90.07218
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span80 ft (24.4 m)
Deck width69 ft (20.9 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (1979)
Projected traffic2,200 by 1999
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Destrehan Ave over Cousins Canal built?

It was built in 2005, making it 20 years old in 2025.

What condition is Destrehan Ave over Cousins Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does Destrehan Ave over Cousins Canal carry?

About 2,000 vehicles per day (1979 count).

How long is Destrehan Ave over Cousins Canal?

The structure is 220 ft (67.1 m) long with a longest span of 80 ft (24.4 m) and a deck 69 ft wide.

Who owns Destrehan Ave over Cousins Canal?

It is owned by the County Highway Agency.