US Bridges

LA0546 over Guyton Creek

Fair

Ouachita Parish, Louisiana · .68 MI North of LA 34 · Structure no. 053701580100681

Built
1926
99 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
53 ft
8 main spans
Daily traffic
1,350
2021 count
Owner
State
State Highway Agency

About this bridge

LA0546 over Guyton Creek is a concrete culvert carrying LA0546 over Guyton Creek in Ouachita Parish, Louisiana. It was built in 1926, so it is 99 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 1,350 vehicles a day, roughly 15% of them trucks, projected to reach 1,485 by 2041. The structure is 53 ft (16.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0546
CrossesGuyton Creek
Location.68 MI North of LA 34
RouteState Highway 546
Coordinates32.424, -92.3592
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
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans8
Design loadH 15
Structure length53 ft (16.2 m)
Longest span6 ft (1.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2021)
Projected traffic1,485 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 LA0546 over Guyton Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is LA0546 over Guyton 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 August 2024.

How much traffic does LA0546 over Guyton Creek carry?

About 1,350 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0546 over Guyton Creek?

The structure is 53 ft (16.2 m) long with a longest span of 6 ft (1.8 m) and a deck 34 ft wide.

Who owns LA0546 over Guyton Creek?

It is owned by the State Highway Agency.