US Bridges

Perchville Rd. over Mallet Bayou

FairPosted for load

Acadia Parish, Louisiana · 2.8 MI W of LA 367 · Structure no. 030130268922161

Built
2001
24 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
51 ft
3 main spans
Daily traffic
240
2022 count
Owner
County
County Highway Agency

About this bridge

Perchville Rd. over Mallet Bayou is a wood or timber stringer/multi-beam or girder carrying Perchville Rd. over Mallet Bayou in Acadia Parish, Louisiana. It was built in 2001, so it is 24 years old, younger 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 240 vehicles a day, projected to reach 264 by 2042. The structure is 51 ft (15.5 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesPerchville Rd.
CrossesMallet Bayou
Location2.8 MI W of LA 367
RouteCounty Highway 0
CountyAcadia Parish
StateLouisiana
Coordinates30.45003, -92.36983
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating18 US tons
Inventory rating13 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 10
Structure length51 ft (15.5 m)
Longest span17 ft (5.2 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2022)
Projected traffic264 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$201,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Perchville Rd. over Mallet Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Perchville Rd. over Mallet 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 April 2024.

How much traffic does Perchville Rd. over Mallet Bayou carry?

About 240 vehicles per day (2022 count).

How long is Perchville Rd. over Mallet Bayou?

The structure is 51 ft (15.5 m) long with a longest span of 17 ft (5.2 m) and a deck 21 ft wide.

Who owns Perchville Rd. over Mallet Bayou?

It is owned by the County Highway Agency.