US Bridges

Carlyss DR over Little Dinde Bayou

FairPosted for load

Calcasieu Parish, Louisiana · 0.8 MI W of LA 1256 · Structure no. 071030119932301

Built
2000
25 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
1,560
2021 count
Owner
County
County Highway Agency

About this bridge

Carlyss DR over Little Dinde Bayou is a concrete slab carrying Carlyss DR over Little Dinde Bayou in Calcasieu 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,560 vehicles a day, projected to reach 1,716 by 2041. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCarlyss DR
CrossesLittle Dinde Bayou
Location0.8 MI W of LA 1256
RouteCounty Highway 0
Coordinates30.19665, -93.38453
Functional classUrban Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,560 (2021)
Projected traffic1,716 by 2041
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty 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 Carlyss DR over Little Dinde Bayou built?

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

What condition is Carlyss DR over Little Dinde 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 2024.

How much traffic does Carlyss DR over Little Dinde Bayou carry?

About 1,560 vehicles per day (2021 count).

How long is Carlyss DR over Little Dinde Bayou?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Carlyss DR over Little Dinde Bayou?

It is owned by the County Highway Agency.