US Bridges

LA0006 over Young Bayou

Fair

Natchitoches Parish, Louisiana · 1.45 Mi. East of LA 117 · Structure no. 083500340507351

Built
1964
61 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
8,675
2021 count
Owner
State
State Highway Agency

About this bridge

LA0006 over Young Bayou is a concrete slab carrying LA0006 over Young Bayou in Natchitoches Parish, Louisiana. It was built in 1964, so it is 61 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 8,675 vehicles a day, roughly 15% of them trucks, projected to reach 9,542 by 2041. The structure is 100 ft (30.5 m) long and 34 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesLA0006
CrossesYoung Bayou
Location1.45 Mi. East of LA 117
RouteState Highway 6
CountyNatchitoches Parish
StateLouisiana
Coordinates31.71471, -93.191
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating48 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 width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,675 (2021)
Projected traffic9,542 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$498,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0006 over Young Bayou built?

It was built in 1964, making it 61 years old in 2025.

What condition is LA0006 over Young 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 Young Bayou carry?

About 8,675 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0006 over Young Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns LA0006 over Young Bayou?

It is owned by the State Highway Agency.