US Bridges

Perchville RD over Mallet Bayou

GoodPosted for load

Acadia Parish, Louisiana · 4.3 MI E of LA 13 · Structure no. 030100000200451

Built
2012
13 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
528
2021 count
Owner
County
County Highway Agency

About this bridge

Perchville RD over Mallet Bayou is a concrete slab carrying Perchville RD over Mallet Bayou in Acadia Parish, Louisiana. It was built in 2012, so it is 13 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. Its operating status is: posted for load restriction.

It carries about 528 vehicles a day, projected to reach 580 by 2041. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPerchville RD
CrossesMallet Bayou
Location4.3 MI E of LA 13
RouteCounty Highway 0
Coordinates30.45034, -92.37082
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.6 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 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 traffic528 (2021)
Projected traffic580 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Perchville RD over Mallet Bayou built?

It was built in 2012, making it 13 years old in 2025.

What condition is Perchville RD over Mallet 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 April 2024.

How much traffic does Perchville RD over Mallet Bayou carry?

About 528 vehicles per day (2021 count).

How long is Perchville RD over Mallet Bayou?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Perchville RD over Mallet Bayou?

It is owned by the County Highway Agency.