US Bridges

LA0566 over Litte Tensas Rive

Fair

Concordia Parish, Louisiana · 2.25 MI E of LA 15 · Structure no. 581501750102251

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
266 ft
14 main spans
Daily traffic
216
2021 count
Owner
State
State Highway Agency

About this bridge

LA0566 over Litte Tensas Rive is a concrete slab carrying LA0566 over Litte Tensas Rive in Concordia Parish, Louisiana. It was built in 1970, so it is 55 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 216 vehicles a day, roughly 15% of them trucks, projected to reach 237 by 2041. The structure is 266 ft (81.1 m) long and 32 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesLA0566
CrossesLitte Tensas Rive
Location2.25 MI E of LA 15
RouteState Highway 566
CountyConcordia Parish
StateLouisiana
Coordinates31.75203, -91.53449
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.
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 inspectionMay 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans14
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic216 (2021)
Projected traffic237 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 LA0566 over Litte Tensas Rive built?

It was built in 1970, making it 55 years old in 2025.

What condition is LA0566 over Litte Tensas Rive 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 LA0566 over Litte Tensas Rive carry?

About 216 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0566 over Litte Tensas Rive?

The structure is 266 ft (81.1 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns LA0566 over Litte Tensas Rive?

It is owned by the State Highway Agency.