US Bridges

LA0389 over White Oak Gully

Fair

Beauregard Parish, Louisiana · 1.6 MI E of LA 109 · Structure no. 070601910202021

Built
1959
66 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
40 ft
6 main spans
Daily traffic
439
2020 count
Owner
State
State Highway Agency

About this bridge

LA0389 over White Oak Gully is a concrete culvert carrying LA0389 over White Oak Gully in Beauregard Parish, Louisiana. It was built in 1959, so it is 66 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 439 vehicles a day, roughly 17% of them trucks, projected to reach 482 by 2040. The structure is 40 ft (12.2 m) long and 44 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesLA0389
CrossesWhite Oak Gully
Location1.6 MI E of LA 109
RouteState Highway 389
CountyBeauregard Parish
StateLouisiana
Coordinates30.52641, -93.54076
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadH 15
Structure length40 ft (12.2 m)
Longest span6 ft (1.8 m)
Deck width44 ft (13.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic439 (2020)
Projected traffic482 by 2040
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 LA0389 over White Oak Gully built?

It was built in 1959, making it 66 years old in 2025.

What condition is LA0389 over White Oak Gully 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 LA0389 over White Oak Gully carry?

About 439 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is LA0389 over White Oak Gully?

The structure is 40 ft (12.2 m) long with a longest span of 6 ft (1.8 m) and a deck 44 ft wide.

Who owns LA0389 over White Oak Gully?

It is owned by the State Highway Agency.