US Bridges

Lapalco Blvd over Ames Canal

Good

Jefferson Parish, Louisiana · 0.3 Mi.W.Of Ames Bl · Structure no. 022629525900692

Built
1970
55 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
133 ft
7 main spans
Daily traffic
2,000
1988 count
Owner
County
County Highway Agency

About this bridge

Lapalco Blvd over Ames Canal is a concrete slab carrying Lapalco Blvd over Ames Canal in Jefferson Parish, Louisiana. It was built in 1970, so it is 55 years old, older 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.

It carries about 2,000 vehicles a day, projected to reach 2,200 by 2008. The structure is 133 ft (40.5 m) long and 46 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLapalco Blvd
CrossesAmes Canal
Location0.3 Mi.W.Of Ames Bl
RouteCounty Highway 0
Coordinates29.87554, -90.11486
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width46 ft (14.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (1988)
Projected traffic2,200 by 2008
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$444,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lapalco Blvd over Ames Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Lapalco Blvd over Ames 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 Ames Canal carry?

About 2,000 vehicles per day (1988 count).

How long is Lapalco Blvd over Ames Canal?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 46 ft wide.

Who owns Lapalco Blvd over Ames Canal?

It is owned by the County Highway Agency.