US Bridges

LA0546 over Cheniere Creek

Fair

Ouachita Parish, Louisiana · 8.63 MI E of LA 34 · Structure no. 053701580108631

Built
2000
25 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
220 ft
11 main spans
Daily traffic
6,382
2021 count
Owner
State
State Highway Agency

About this bridge

LA0546 over Cheniere Creek is a concrete slab carrying LA0546 over Cheniere Creek in Ouachita Parish, Louisiana. It was built in 2000, so it is 25 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 6,382 vehicles a day, roughly 15% of them trucks, projected to reach 7,020 by 2041. The structure is 220 ft (67.1 m) long and 47 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLA0546
CrossesCheniere Creek
Location8.63 MI E of LA 34
RouteState Highway 546
CountyOuachita Parish
StateLouisiana
Coordinates32.4929, -92.2613
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span20 ft (6.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,382 (2021)
Projected traffic7,020 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0546 over Cheniere Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is LA0546 over Cheniere Creek 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 LA0546 over Cheniere Creek carry?

About 6,382 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0546 over Cheniere Creek?

The structure is 220 ft (67.1 m) long with a longest span of 20 ft (6.1 m) and a deck 47 ft wide.

Who owns LA0546 over Cheniere Creek?

It is owned by the State Highway Agency.