US Bridges

Leggitt Crossing over Lyon Bayou

Fair

West Carroll Parish, Louisiana · 0.8 MI E of LA 588 · Structure no. 056232420912371

Built
1997
28 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
152 ft
8 main spans
Daily traffic
425
2019 count
Owner
County
County Highway Agency

About this bridge

Leggitt Crossing over Lyon Bayou is a concrete slab carrying Leggitt Crossing over Lyon Bayou in West Carroll Parish, Louisiana. It was built in 1997, so it is 28 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 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 425 vehicles a day, projected to reach 467 by 2039. The structure is 152 ft (46.3 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesLeggitt Crossing
CrossesLyon Bayou
Location0.8 MI E of LA 588
RouteCounty Highway 0
CountyWest Carroll Parish
StateLouisiana
Coordinates32.69949, -91.39638
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2019)
Projected traffic467 by 2039
Trucks—
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

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 Leggitt Crossing over Lyon Bayou built?

It was built in 1997, making it 28 years old in 2025.

What condition is Leggitt Crossing over Lyon Bayou 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 2023.

How much traffic does Leggitt Crossing over Lyon Bayou carry?

About 425 vehicles per day (2019 count).

How long is Leggitt Crossing over Lyon Bayou?

The structure is 152 ft (46.3 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Leggitt Crossing over Lyon Bayou?

It is owned by the County Highway Agency.