US Bridges

LA0588 over Boggy Bayou

Poor

West Carroll Parish, Louisiana · 2.59 MI W of LA 17 · Structure no. 056208622102591

Built
1983
42 years old
Condition
Poor
inspected February 2024
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
340
2021 count
Owner
State
State Highway Agency

About this bridge

LA0588 over Boggy Bayou is a steel culvert carrying LA0588 over Boggy Bayou in West Carroll Parish, Louisiana. It was built in 1983, so it is 42 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 340 vehicles a day, roughly 19% of them trucks, projected to reach 374 by 2041. The structure is 27 ft (8.2 m) long and 68 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLA0588
CrossesBoggy Bayou
Location2.59 MI W of LA 17
RouteState Highway 588
Coordinates32.7431, -91.4732
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width68 ft (20.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2021)
Projected traffic374 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 LA0588 over Boggy Bayou built?

It was built in 1983, making it 42 years old in 2025.

What condition is LA0588 over Boggy Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does LA0588 over Boggy Bayou carry?

About 340 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0588 over Boggy Bayou?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m) and a deck 68 ft wide.

Who owns LA0588 over Boggy Bayou?

It is owned by the State Highway Agency.