US Bridges

LA3056 over Drain

Fair

Jefferson Davis Parish, Louisiana · 0.9 MI S of LA 14 · Structure no. 072708273100851

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
408
2021 count
Owner
State
State Highway Agency

About this bridge

LA3056 over Drain is a concrete culvert carrying LA3056 over Drain in Jefferson Davis Parish, Louisiana. It was built in 1961, so it is 64 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 408 vehicles a day, roughly 11% of them trucks, projected to reach 448 by 2041. The structure is 32 ft (9.8 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA3056
CrossesDrain
Location0.9 MI S of LA 14
RouteState Highway 3056
Coordinates30.05294, -92.77475
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic408 (2021)
Projected traffic448 by 2041
Trucks11%
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 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 LA3056 over Drain built?

It was built in 1961, making it 64 years old in 2025.

What condition is LA3056 over Drain 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 LA3056 over Drain carry?

About 408 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA3056 over Drain?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 35 ft wide.

Who owns LA3056 over Drain?

It is owned by the State Highway Agency.