LA0879 over Big Colewa Bayou

Fair

West Carroll Parish, Louisiana · 2.77 MI East of LA 585 · Structure no. 056208620102771

Built: 1978; 47 years old
Condition: Fair; inspected January 2023
Type: Slab; Concrete
Length: 58 ft; 3 main spans
Daily traffic: 519; 2021 count
Owner: State; State Highway Agency

About this bridge

LA0879 over Big Colewa Bayou is a concrete slab carrying LA0879 over Big Colewa Bayou in West Carroll Parish, Louisiana. It was built in 1978, so it is 47 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 519 vehicles a day, roughly 19% of them trucks, projected to reach 570 by 2041. The structure is 58 ft (17.7 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps

CarriesLA0879

CrossesBig Colewa Bayou

Location2.77 MI East of LA 585

RouteState Highway 879

CountyWest Carroll Parish

StateLouisiana

Coordinates32.87213, -91.4476

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionJanuary 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourUnknown foundation; not evaluated for scour

Structural evaluation6: Equal to present minimum criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating72 US tons

Inventory rating43 US tons

Structure

Structure typeSlab

MaterialConcrete

DeckConcrete, precast panels

Main spans3

Design loadHS 20

Structure length58 ft (17.7 m)

Longest span19 ft (5.8 m)

Deck width36 ft (10.9 m)

Roadway width32 ft (9.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic519 (2021)

Projected traffic570 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 LA0879 over Big Colewa Bayou built?

It was built in 1978, making it 47 years old in 2025.

What condition is LA0879 over Big Colewa 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 LA0879 over Big Colewa Bayou carry?

About 519 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0879 over Big Colewa Bayou?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 36 ft wide.

Who owns LA0879 over Big Colewa Bayou?

It is owned by the State Highway Agency.