US Bridges

LA3059 over Lebleu Ditch

Fair

Calcasieu Parish, Louisiana · 6.7 MI East of US 171 · Structure no. 071003830106701

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
2,383
2021 count
Owner
State
State Highway Agency

About this bridge

LA3059 over Lebleu Ditch is a concrete slab carrying LA3059 over Lebleu Ditch in Calcasieu Parish, Louisiana. It was built in 1976, so it is 49 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 5 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 2,383 vehicles a day, roughly 17% of them trucks, projected to reach 2,621 by 2041. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA3059
CrossesLebleu Ditch
Location6.7 MI East of US 171
RouteState Highway 3059
CountyCalcasieu Parish
StateLouisiana
Coordinates30.27617, -93.0887
Functional classRural Minor 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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,383 (2021)
Projected traffic2,621 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$312,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA3059 over Lebleu Ditch built?

It was built in 1976, making it 49 years old in 2025.

What condition is LA3059 over Lebleu Ditch 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 2023.

How much traffic does LA3059 over Lebleu Ditch carry?

About 2,383 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA3059 over Lebleu Ditch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA3059 over Lebleu Ditch?

It is owned by the State Highway Agency.