US Bridges

LA0342 over Queue De Tortue Bayou

Fair

Acadia Parish, Louisiana · 0.60 MI E. of LA 35 · Structure no. 030102070600001

Built
1953
72 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
1,075
2021 count
Owner
State
State Highway Agency

About this bridge

LA0342 over Queue De Tortue Bayou is a concrete slab carrying LA0342 over Queue De Tortue Bayou in Acadia Parish, Louisiana. It was built in 1953, so it is 72 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 1,075 vehicles a day, roughly 13% of them trucks, projected to reach 1,182 by 2041. The structure is 120 ft (36.6 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0342
CrossesQueue De Tortue Bayou
Location0.60 MI E. of LA 35
RouteState Highway 342
CountyAcadia Parish
StateLouisiana
Coordinates30.16663, -92.25989
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating31 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 width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,075 (2021)
Projected traffic1,182 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 LA0342 over Queue De Tortue Bayou built?

It was built in 1953, making it 72 years old in 2025.

What condition is LA0342 over Queue De Tortue 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 May 2023.

How much traffic does LA0342 over Queue De Tortue Bayou carry?

About 1,075 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0342 over Queue De Tortue Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0342 over Queue De Tortue Bayou?

It is owned by the State Highway Agency.