US Bridges

LA0126 over Flat Creek

Fair

Winn Parish, Louisiana · 0.29 Mile East of LA 127 · Structure no. 086400910801721

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
240 ft
12 main spans
Daily traffic
498
2021 count
Owner
State
State Highway Agency

About this bridge

LA0126 over Flat Creek is a concrete slab carrying LA0126 over Flat Creek in Winn 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 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 498 vehicles a day, roughly 14% of them trucks, projected to reach 547 by 2041. The structure is 240 ft (73.2 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLA0126
CrossesFlat Creek
Location0.29 Mile East of LA 127
RouteState Highway 126
Coordinates32.08002, -92.4598
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic498 (2021)
Projected traffic547 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 LA0126 over Flat Creek built?

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

What condition is LA0126 over Flat 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 July 2023.

How much traffic does LA0126 over Flat Creek carry?

About 498 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0126 over Flat Creek?

The structure is 240 ft (73.2 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0126 over Flat Creek?

It is owned by the State Highway Agency.