US Bridges

West Napoleon Ave over Canal #4

Good

Jefferson Parish, Louisiana · 0.3 MI E of Clearview Pkw · Structure no. 022600000000085

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
532
2016 count
Owner
County
County Highway Agency

About this bridge

West Napoleon Ave over Canal #4 is a concrete culvert carrying West Napoleon Ave over Canal #4 in Jefferson Parish, Louisiana. It was built in 2003, so it is 22 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 532 vehicles a day, projected to reach 585 by 2036. The structure is 26 ft (7.9 m) long and 218 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWest Napoleon Ave
CrossesCanal #4
Location0.3 MI E of Clearview Pkw
RouteCity Street 0
CountyJefferson Parish
StateLouisiana
Coordinates29.9933, -90.17357
Functional classUrban Minor Arterial

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.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width218 ft (66.4 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic532 (2016)
Projected traffic585 by 2036
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 West Napoleon Ave over Canal #4 built?

It was built in 2003, making it 22 years old in 2025.

What condition is West Napoleon Ave over Canal #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 August 2023.

How much traffic does West Napoleon Ave over Canal #4 carry?

About 532 vehicles per day (2016 count).

How long is West Napoleon Ave over Canal #4?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 218 ft wide.

Who owns West Napoleon Ave over Canal #4?

It is owned by the County Highway Agency.