US Bridges

Lapalco Blvd over Murphy Canal

Fair

Jefferson Parish, Louisiana · 0.3 MI E of LA 3017 · Structure no. 022600000000039

Built
2010
15 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
1,974
2007 count
Owner
County
County Highway Agency

About this bridge

Lapalco Blvd over Murphy Canal is a concrete culvert carrying Lapalco Blvd over Murphy Canal in Jefferson Parish, Louisiana. It was built in 2010, so it is 15 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 1,974 vehicles a day, projected to reach 2,171 by 2027. The structure is 43 ft (13.1 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLapalco Blvd
CrossesMurphy Canal
Location0.3 MI E of LA 3017
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates29.87288, -90.0641
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width50 ft (15.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,974 (2007)
Projected traffic2,171 by 2027
Trucks—
Lanes on structure1
Traffic directionOne-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 Lapalco Blvd over Murphy Canal built?

It was built in 2010, making it 15 years old in 2025.

What condition is Lapalco Blvd over Murphy 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 Lapalco Blvd over Murphy Canal carry?

About 1,974 vehicles per day (2007 count).

How long is Lapalco Blvd over Murphy Canal?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 50 ft wide.

Who owns Lapalco Blvd over Murphy Canal?

It is owned by the County Highway Agency.