US Bridges

LA0358 over Bayou Plaquemine Brule

Good

St. Landry Parish, Louisiana · 1.0 MI East of LA 35 · Structure no. 034908491805651

Built
2004
21 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
394 ft
10 main spans
Daily traffic
446
2021 count
Owner
State
State Highway Agency

About this bridge

LA0358 over Bayou Plaquemine Brule is a concrete continuous slab carrying LA0358 over Bayou Plaquemine Brule in St. Landry Parish, Louisiana. It was built in 2004, so it is 21 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 446 vehicles a day, roughly 12% of them trucks, projected to reach 490 by 2041. The structure is 394 ft (120.1 m) long and 38 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLA0358
CrossesBayou Plaquemine Brule
Location1.0 MI East of LA 35
RouteState Highway 358
Coordinates30.45542, -92.1886
Functional classRural Minor Collector

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.8 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length394 ft (120.1 m)
Longest span39 ft (11.9 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic446 (2021)
Projected traffic490 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0358 over Bayou Plaquemine Brule built?

It was built in 2004, making it 21 years old in 2025.

What condition is LA0358 over Bayou Plaquemine Brule 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 May 2024.

How much traffic does LA0358 over Bayou Plaquemine Brule carry?

About 446 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0358 over Bayou Plaquemine Brule?

The structure is 394 ft (120.1 m) long with a longest span of 39 ft (11.9 m) and a deck 38 ft wide.

Who owns LA0358 over Bayou Plaquemine Brule?

It is owned by the State Highway Agency.