US Bridges

Little Loutre RD over Little Bayou Deloutre

Fair

Union Parish, Louisiana · 1.3 MI W of LA 549 · Structure no. 055632569922541

Built
1994
31 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
180 ft
24 main spans
Daily traffic
—
2016 count
Owner
County
County Highway Agency

About this bridge

Little Loutre RD over Little Bayou Deloutre is a concrete slab carrying Little Loutre RD over Little Bayou Deloutre in Union Parish, Louisiana. It was built in 1994, so it is 31 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.

No traffic count is recorded. The structure is 180 ft (54.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLittle Loutre RD
CrossesLittle Bayou Deloutre
Location1.3 MI W of LA 549
RouteCounty Highway 0
Coordinates32.94824, -92.4271
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans24
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Little Loutre RD over Little Bayou Deloutre built?

It was built in 1994, making it 31 years old in 2025.

What condition is Little Loutre RD over Little Bayou Deloutre 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 January 2024.

How much traffic does Little Loutre RD over Little Bayou Deloutre carry?

No traffic count is recorded for this structure.

How long is Little Loutre RD over Little Bayou Deloutre?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Little Loutre RD over Little Bayou Deloutre?

It is owned by the County Highway Agency.