US Bridges

Post DR over Drainage Canal

Fair

Jefferson Parish, Louisiana · 0.5 MI SW of Lapalco Blvd · Structure no. 022600000000065

Built
2000
25 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
525
2007 count
Owner
County
County Highway Agency

About this bridge

Post DR over Drainage Canal is a concrete culvert carrying Post DR over Drainage Canal in Jefferson Parish, Louisiana. It was built in 2000, so it is 25 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 525 vehicles a day, projected to reach 577 by 2027. The structure is 36 ft (11 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPost DR
CrossesDrainage Canal
Location0.5 MI SW of Lapalco Blvd
RouteCounty Highway 0
Coordinates29.86666, -90.08333
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 protection8 Very GoodNo problems noted.
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span16 ft (4.9 m)
Deck width73 ft (22.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2007)
Projected traffic577 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 Post DR over Drainage Canal built?

It was built in 2000, making it 25 years old in 2025.

What condition is Post DR over Drainage 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 Post DR over Drainage Canal carry?

About 525 vehicles per day (2007 count).

How long is Post DR over Drainage Canal?

The structure is 36 ft (11 m) long with a longest span of 16 ft (4.9 m) and a deck 73 ft wide.

Who owns Post DR over Drainage Canal?

It is owned by the County Highway Agency.