US Bridges

LA0588 over Big Colewa Creek

Fair

West Carroll Parish, Louisiana · 1.1 MI East of LA 585 · Structure no. 056208622106721

Built
1983
42 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
325
2021 count
Owner
State
State Highway Agency

About this bridge

LA0588 over Big Colewa Creek is a concrete slab carrying LA0588 over Big Colewa Creek 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 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 325 vehicles a day, roughly 19% of them trucks, projected to reach 357 by 2041. The structure is 160 ft (48.8 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0588
CrossesBig Colewa Creek
Location1.1 MI East of LA 585
RouteState Highway 588
Coordinates32.74006, -91.543
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.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2021)
Projected traffic357 by 2041
Trucks19%
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

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 Big Colewa Creek built?

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

What condition is LA0588 over Big Colewa Creek 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 February 2023.

How much traffic does LA0588 over Big Colewa Creek carry?

About 325 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0588 over Big Colewa Creek?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns LA0588 over Big Colewa Creek?

It is owned by the State Highway Agency.