US Bridges

LA0143 over Cross Bayou

Fair

Ouachita Parish, Louisiana · 5.9 MI North of LA 616 · Structure no. 053703150206901

Built
1952
73 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
3,674
2021 count
Owner
State
State Highway Agency

About this bridge

LA0143 over Cross Bayou is a concrete slab carrying LA0143 over Cross Bayou in Ouachita Parish, Louisiana. It was built in 1952, so it is 73 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 3,674 vehicles a day, roughly 16% of them trucks, projected to reach 4,041 by 2041. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

Location

Open in Google Maps
CarriesLA0143
CrossesCross Bayou
Location5.9 MI North of LA 616
RouteState Highway 143
CountyOuachita Parish
StateLouisiana
Coordinates32.60509, -92.1601
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,674 (2021)
Projected traffic4,041 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$585,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0143 over Cross Bayou built?

It was built in 1952, making it 73 years old in 2025.

What condition is LA0143 over Cross 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 October 2024.

How much traffic does LA0143 over Cross Bayou carry?

About 3,674 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is LA0143 over Cross Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0143 over Cross Bayou?

It is owned by the State Highway Agency.