US Bridges

Lapalco Blvd over Main Canal

Good

Jefferson Parish, Louisiana · 0.6 Mile from Segnette Bl · Structure no. 022629540901022

Built
2007
18 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
165 ft
3 main spans
Daily traffic
—
2016 count
Owner
County
County Highway Agency

About this bridge

Lapalco Blvd over Main Canal is a prestressed concrete continuous stringer/multi-beam or girder carrying Lapalco Blvd over Main Canal in Jefferson Parish, Louisiana. It was built in 2007, so it is 18 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 165 ft (50.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLapalco Blvd
CrossesMain Canal
Location0.6 Mile from Segnette Bl
RouteCounty Highway 0
Coordinates29.89851, -90.17587
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span64 ft (19.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 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 closed1.2 mi (2 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 Lapalco Blvd over Main Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is Lapalco Blvd over Main Canal 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 January 2023.

How much traffic does Lapalco Blvd over Main Canal carry?

No traffic count is recorded for this structure.

How long is Lapalco Blvd over Main Canal?

The structure is 165 ft (50.3 m) long with a longest span of 64 ft (19.5 m) and a deck 42 ft wide.

Who owns Lapalco Blvd over Main Canal?

It is owned by the County Highway Agency.