US Bridges

Rye LN over Alligator Bayou

Good

West Carroll Parish, Louisiana · 0.4 MI E of LA 588 · Structure no. 056232437912381

Built
2008
17 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
26
2019 count
Owner
County
County Highway Agency

About this bridge

Rye LN over Alligator Bayou is a concrete slab carrying Rye LN over Alligator Bayou in West Carroll Parish, Louisiana. It was built in 2008, so it is 17 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26 vehicles a day, projected to reach 28 by 2039. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesRye LN
CrossesAlligator Bayou
Location0.4 MI E of LA 588
RouteCounty Highway 0
CountyWest Carroll Parish
StateLouisiana
Coordinates32.72896, -91.39497
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width3 ft (0.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2019)
Projected traffic28 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 Rye LN over Alligator Bayou built?

It was built in 2008, making it 17 years old in 2025.

What condition is Rye LN over Alligator Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Rye LN over Alligator Bayou carry?

About 26 vehicles per day (2019 count).

How long is Rye LN over Alligator Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Rye LN over Alligator Bayou?

It is owned by the County Highway Agency.