US Bridges

LA0368 over Bayou Mallet

Fair

Acadia Parish, Louisiana · 0.28 MI East of LA 755 · Structure no. 030103870100281

Built
1962
63 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
398
2021 count
Owner
State
State Highway Agency

About this bridge

LA0368 over Bayou Mallet is a concrete slab carrying LA0368 over Bayou Mallet in Acadia Parish, Louisiana. It was built in 1962, so it is 63 years old, older 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 398 vehicles a day, roughly 15% of them trucks, projected to reach 437 by 2041. The structure is 160 ft (48.8 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLA0368
CrossesBayou Mallet
Location0.28 MI East of LA 755
RouteState Highway 368
CountyAcadia Parish
StateLouisiana
Coordinates30.42329, -92.4544
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic398 (2021)
Projected traffic437 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
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 LA0368 over Bayou Mallet built?

It was built in 1962, making it 63 years old in 2025.

What condition is LA0368 over Bayou Mallet 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 LA0368 over Bayou Mallet carry?

About 398 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0368 over Bayou Mallet?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0368 over Bayou Mallet?

It is owned by the State Highway Agency.