US Bridges

Woods RD over Alligator Bayou

Fair

West Carroll Parish, Louisiana · 0.3 MI NW of LA 588 · Structure no. 056200000400197

Built
2010
15 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
176
2019 count
Owner
County
County Highway Agency

About this bridge

Woods RD over Alligator Bayou is a concrete slab carrying Woods RD over Alligator Bayou in West Carroll Parish, Louisiana. It was built in 2010, so it is 15 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 176 vehicles a day, projected to reach 193 by 2039. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWoods RD
CrossesAlligator Bayou
Location0.3 MI NW of LA 588
RouteCounty Highway 0
Coordinates32.71881, -91.42335
Functional classRural Local

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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic176 (2019)
Projected traffic193 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Woods RD over Alligator Bayou built?

It was built in 2010, making it 15 years old in 2025.

What condition is Woods RD over Alligator 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 Woods RD over Alligator Bayou carry?

About 176 vehicles per day (2019 count).

How long is Woods RD over Alligator Bayou?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Woods RD over Alligator Bayou?

It is owned by the County Highway Agency.