US Bridges

LA0006 over Youngs Bayou

Fair

Natchitoches Parish, Louisiana · 0.11 Mi. West of LA 1 · Structure no. 083500340512922

Built
1974
51 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
14,431
2021 count
Owner
State
State Highway Agency

About this bridge

LA0006 over Youngs Bayou is a concrete slab carrying LA0006 over Youngs Bayou in Natchitoches Parish, Louisiana. It was built in 1974, so it is 51 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 14,431 vehicles a day, roughly 14% of them trucks, projected to reach 15,874 by 2041. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0006
CrossesYoungs Bayou
Location0.11 Mi. West of LA 1
RouteState Highway 6
CountyNatchitoches Parish
StateLouisiana
Coordinates31.75074, -93.1109
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,431 (2021)
Projected traffic15,874 by 2041
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 LA0006 over Youngs Bayou built?

It was built in 1974, making it 51 years old in 2025.

What condition is LA0006 over Youngs Bayou 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 2024.

How much traffic does LA0006 over Youngs Bayou carry?

About 14,431 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0006 over Youngs Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0006 over Youngs Bayou?

It is owned by the State Highway Agency.