US Bridges

LA0499 over Flat Creek Relief

Fair

Winn Parish, Louisiana · 0.88 Mi. Nth. Jct. LA126 · Structure no. 086401260200881

Built
1996
29 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
114
2021 count
Owner
State
State Highway Agency

About this bridge

LA0499 over Flat Creek Relief is a concrete slab carrying LA0499 over Flat Creek Relief in Winn Parish, Louisiana. It was built in 1996, so it is 29 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 114 vehicles a day, roughly 14% of them trucks, projected to reach 125 by 2041. The structure is 100 ft (30.5 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesLA0499
CrossesFlat Creek Relief
Location0.88 Mi. Nth. Jct. LA126
RouteState Highway 499
CountyWinn Parish
StateLouisiana
Coordinates32.09316, -92.488
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 protection7 GoodSome minor problems.
Last inspectionAugust 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2021)
Projected traffic125 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0499 over Flat Creek Relief built?

It was built in 1996, making it 29 years old in 2025.

What condition is LA0499 over Flat Creek Relief 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 2023.

How much traffic does LA0499 over Flat Creek Relief carry?

About 114 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0499 over Flat Creek Relief?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0499 over Flat Creek Relief?

It is owned by the State Highway Agency.