US Bridges

LA0594 over Youngs Bayou

Fair

Ouachita Parish, Louisiana · .2 MI East of I-20 · Structure no. 053703260101041

Built
1922
103 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
8,579
2021 count
Owner
State
State Highway Agency

About this bridge

LA0594 over Youngs Bayou is a concrete culvert carrying LA0594 over Youngs Bayou in Ouachita Parish, Louisiana. It was built in 1922, so it is 103 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 8,579 vehicles a day, roughly 8% of them trucks, projected to reach 9,436 by 2041. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0594
CrossesYoungs Bayou
Location.2 MI East of I-20
RouteState Highway 594
Coordinates32.503, -92.0952
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,579 (2021)
Projected traffic9,436 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$166,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0594 over Youngs Bayou built?

It was built in 1922, making it 103 years old in 2025.

What condition is LA0594 over Youngs 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 August 2024.

How much traffic does LA0594 over Youngs Bayou carry?

About 8,579 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0594 over Youngs Bayou?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns LA0594 over Youngs Bayou?

It is owned by the State Highway Agency.