US Bridges

LA0046 over Bayou Laloutre

Fair

St. Bernard Parish, Louisiana · 5.4 MI South of LA 1245 · Structure no. 024402840107751

Built
1984
41 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
2,553
2021 count
Owner
State
State Highway Agency

About this bridge

LA0046 over Bayou Laloutre is a concrete slab carrying LA0046 over Bayou Laloutre in St. Bernard Parish, Louisiana. It was built in 1984, so it is 41 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 2,553 vehicles a day, roughly 20% of them trucks, projected to reach 2,808 by 2041. The structure is 60 ft (18.3 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesLA0046
CrossesBayou Laloutre
Location5.4 MI South of LA 1245
RouteState Highway 46
CountySt. Bernard Parish
StateLouisiana
Coordinates29.84454, -89.7593
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,553 (2021)
Projected traffic2,808 by 2041
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0046 over Bayou Laloutre built?

It was built in 1984, making it 41 years old in 2025.

What condition is LA0046 over Bayou Laloutre 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 February 2023.

How much traffic does LA0046 over Bayou Laloutre carry?

About 2,553 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is LA0046 over Bayou Laloutre?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0046 over Bayou Laloutre?

It is owned by the State Highway Agency.