US Bridges

Allie Young RD over Barwick Bayou

Good

Acadia Parish, Louisiana · 0.6 MI E of LA 97 · Structure no. 030130277923381

Built
1999
26 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
118 ft
6 main spans
Daily traffic
288
2020 count
Owner
County
County Highway Agency

About this bridge

Allie Young RD over Barwick Bayou is a concrete slab carrying Allie Young RD over Barwick Bayou in Acadia Parish, Louisiana. It was built in 1999, so it is 26 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 288 vehicles a day, projected to reach 316 by 2040. The structure is 118 ft (36 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAllie Young RD
CrossesBarwick Bayou
Location0.6 MI E of LA 97
RouteCounty Highway 0
Coordinates30.46232, -92.56492
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length118 ft (36 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic288 (2020)
Projected traffic316 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Allie Young RD over Barwick Bayou built?

It was built in 1999, making it 26 years old in 2025.

What condition is Allie Young RD over Barwick Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Allie Young RD over Barwick Bayou carry?

About 288 vehicles per day (2020 count).

How long is Allie Young RD over Barwick Bayou?

The structure is 118 ft (36 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Allie Young RD over Barwick Bayou?

It is owned by the County Highway Agency.