US Bridges

LA0034 over Cheniere Creek

Poor

Ouachita Parish, Louisiana · 2.35 MI East of LA 546 · Structure no. 053700670902351

Built
1970
55 years old
Condition
Poor
inspected August 2024
Type
Slab
Concrete
Length
375 ft
15 main spans
Daily traffic
8,694
2021 count
Owner
State
State Highway Agency

About this bridge

LA0034 over Cheniere Creek is a concrete slab carrying LA0034 over Cheniere Creek in Ouachita Parish, Louisiana. It was built in 1970, so it is 55 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,694 vehicles a day, roughly 16% of them trucks, projected to reach 9,563 by 2041. The structure is 375 ft (114.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0034
CrossesCheniere Creek
Location2.35 MI East of LA 546
RouteState Highway 34
Coordinates32.43968, -92.1728
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length375 ft (114.3 m)
Longest span25 ft (7.6 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,694 (2021)
Projected traffic9,563 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 LA0034 over Cheniere Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is LA0034 over Cheniere Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does LA0034 over Cheniere Creek carry?

About 8,694 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is LA0034 over Cheniere Creek?

The structure is 375 ft (114.3 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.

Who owns LA0034 over Cheniere Creek?

It is owned by the State Highway Agency.