US Bridges

LA0577 over Poverty Point

Fair

West Carroll Parish, Louisiana · 5.48 MI East of LA 17 · Structure no. 056208621705481

Built
1975
50 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
588
2021 count
Owner
State
State Highway Agency

About this bridge

LA0577 over Poverty Point is a concrete slab carrying LA0577 over Poverty Point in West Carroll Parish, Louisiana. It was built in 1975, so it is 50 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 588 vehicles a day, roughly 19% of them trucks, projected to reach 646 by 2041. The structure is 76 ft (23.2 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0577
CrossesPoverty Point
Location5.48 MI East of LA 17
RouteState Highway 577
CountyWest Carroll Parish
StateLouisiana
Coordinates32.64057, -91.4071
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic588 (2021)
Projected traffic646 by 2041
Trucks19%
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

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 LA0577 over Poverty Point built?

It was built in 1975, making it 50 years old in 2025.

What condition is LA0577 over Poverty Point 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 February 2023.

How much traffic does LA0577 over Poverty Point carry?

About 588 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0577 over Poverty Point?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0577 over Poverty Point?

It is owned by the State Highway Agency.