US Bridges

LA0389 over Windham Creek

Fair

Beauregard Parish, Louisiana · .16 Mi. E of Int LA109 · Structure no. 070601910200161

Built
1959
66 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
100 ft
5 main spans
Daily traffic
1,749
2021 count
Owner
State
State Highway Agency

About this bridge

LA0389 over Windham Creek is a concrete tee beam carrying LA0389 over Windham Creek 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 5 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 1,749 vehicles a day, roughly 17% of them trucks, projected to reach 1,923 by 2041. The structure is 100 ft (30.5 m) long and 29 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesLA0389
CrossesWindham Creek
Location.16 Mi. E of Int LA109
RouteState Highway 389
Coordinates30.52567, -93.5718
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,749 (2021)
Projected traffic1,923 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemYes

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 Windham Creek built?

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

What condition is LA0389 over Windham 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 LA0389 over Windham Creek carry?

About 1,749 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0389 over Windham Creek?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0389 over Windham Creek?

It is owned by the State Highway Agency.