LA0923 over Bayou

Fair

Catahoula Parish, Louisiana · 1.0 MI North of LA 126 · Structure no. 581308131501031

Built: 1979; 46 years old
Condition: Fair; inspected February 2024
Type: Slab; Concrete
Length: 57 ft; 3 main spans
Daily traffic: 550; 2021 count
Owner: State; State Highway Agency

About this bridge

LA0923 over Bayou is a concrete slab carrying LA0923 over Bayou in Catahoula Parish, Louisiana. It was built in 1979, so it is 46 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 550 vehicles a day, roughly 15% of them trucks, projected to reach 605 by 2041. The structure is 57 ft (17.4 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesLA0923

CrossesBayou

Location1.0 MI North of LA 126

RouteState Highway 923

CountyCatahoula Parish

StateLouisiana

Coordinates31.68994, -91.872

Functional classRural Minor Collector

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	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionFebruary 2024

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 adequacy7: Better than present minimum criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating72 US tons

Inventory rating43 US tons

Structure

Structure typeSlab

MaterialConcrete

DeckConcrete, precast panels

Main spans3

Design loadHS 20

Structure length57 ft (17.4 m)

Longest span19 ft (5.8 m)

Deck width32 ft (9.8 m)

Roadway width28 ft (8.6 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2021)

Projected traffic605 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 LA0923 over Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is LA0923 over Bayou 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 2024.

How much traffic does LA0923 over Bayou carry?

About 550 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0923 over Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns LA0923 over Bayou?

It is owned by the State Highway Agency.