US Bridges

W. Napolean Ave over Canal Number 4

Good

Jefferson Parish, Louisiana · 0.5 MI E of David Drive · Structure no. 022629598901261

Built
1996
29 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
—
2016 count
Owner
County
County Highway Agency

About this bridge

W. Napolean Ave over Canal Number 4 is a concrete culvert carrying W. Napolean Ave over Canal Number 4 in Jefferson Parish, Louisiana. It was built in 1996, so it is 29 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.

No traffic count is recorded. The structure is 29 ft (8.8 m) long and 220 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesW. Napolean Ave
CrossesCanal Number 4
Location0.5 MI E of David Drive
RouteCounty Highway 0
Coordinates29.99566, -90.2099
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width220 ft (67.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W. Napolean Ave over Canal Number 4 built?

It was built in 1996, making it 29 years old in 2025.

What condition is W. Napolean Ave over Canal Number 4 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 April 2023.

How much traffic does W. Napolean Ave over Canal Number 4 carry?

No traffic count is recorded for this structure.

How long is W. Napolean Ave over Canal Number 4?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m) and a deck 220 ft wide.

Who owns W. Napolean Ave over Canal Number 4?

It is owned by the County Highway Agency.