LA0013 over Bayou Mallet

Fair

Acadia Parish, Louisiana · .6 Mi. South of LA 3116 · Structure no. 030100570316861

Built: 1960; 65 years old
Condition: Fair; inspected August 2024
Type: Slab; Concrete
Length: 260 ft; 13 main spans
Daily traffic: 5,613; 2021 count
Owner: State; State Highway Agency

About this bridge

LA0013 over Bayou Mallet is a concrete slab carrying LA0013 over Bayou Mallet in Acadia Parish, Louisiana. It was built in 1960, so it is 65 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 5,613 vehicles a day, roughly 13% of them trucks, projected to reach 6,174 by 2041. The structure is 260 ft (79.2 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps

CarriesLA0013

CrossesBayou Mallet

Location.6 Mi. South of LA 3116

RouteState Highway 13

CountyAcadia Parish

StateLouisiana

Coordinates30.44576, -92.4102

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionAugust 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry4: Meets minimum tolerable limits to be left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating42 US tons

Inventory rating25 US tons

Structure

Structure typeSlab

MaterialConcrete

DeckConcrete, cast-in-place

Main spans13

Design loadHS 20

Structure length260 ft (79.2 m)

Longest span20 ft (6.1 m)

Deck width33 ft (10.2 m)

Roadway width28 ft (8.6 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,613 (2021)

Projected traffic6,174 by 2041

Trucks13%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed5 mi (8 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 LA0013 over Bayou Mallet built?

It was built in 1960, making it 65 years old in 2025.

What condition is LA0013 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 August 2024.

How much traffic does LA0013 over Bayou Mallet carry?

About 5,613 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0013 over Bayou Mallet?

The structure is 260 ft (79.2 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0013 over Bayou Mallet?

It is owned by the State Highway Agency.