US Bridges

Destrehan Ave. over Keithway Canal

Fair

Jefferson Parish, Louisiana · 1.9 MI E of LA 3134 · Structure no. 022600000000064

Built
2005
20 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
5,253
2007 count
Owner
County
County Highway Agency

About this bridge

Destrehan Ave. over Keithway Canal is a concrete culvert carrying Destrehan Ave. over Keithway 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 5,253 vehicles a day, projected to reach 5,778 by 2027. The structure is 24 ft (7.3 m) long and 122 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesDestrehan Ave.
CrossesKeithway Canal
Location1.9 MI E of LA 3134
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates29.83775, -90.07018
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width122 ft (37.1 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,253 (2007)
Projected traffic5,778 by 2027
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 Destrehan Ave. over Keithway Canal built?

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

What condition is Destrehan Ave. over Keithway 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 August 2023.

How much traffic does Destrehan Ave. over Keithway Canal carry?

About 5,253 vehicles per day (2007 count).

How long is Destrehan Ave. over Keithway Canal?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 122 ft wide.

Who owns Destrehan Ave. over Keithway Canal?

It is owned by the County Highway Agency.