US Bridges

LA0098 over Bayou Plaquemine Brule

Fair

Acadia Parish, Louisiana · 1.9 MI East of LA 1110 · Structure no. 030102100304621

Built
1956
69 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
258 ft
13 main spans
Daily traffic
994
2023 count
Owner
State
State Highway Agency

About this bridge

LA0098 over Bayou Plaquemine Brule is a concrete slab carrying LA0098 over Bayou Plaquemine Brule in Acadia Parish, Louisiana. It was built in 1956, so it is 69 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 994 vehicles a day, roughly 12% of them trucks, projected to reach 1,093 by 2043. The structure is 258 ft (78.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0098
CrossesBayou Plaquemine Brule
Location1.9 MI East of LA 1110
RouteState Highway 98
Coordinates30.30182, -92.34389
Functional classRural Minor Collector

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans13
Design loadH 15
Structure length258 ft (78.6 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic994 (2023)
Projected traffic1,093 by 2043
Trucks12%
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

OwnerState Highway Agency
Maintained byState 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 LA0098 over Bayou Plaquemine Brule built?

It was built in 1956, making it 69 years old in 2025.

What condition is LA0098 over Bayou Plaquemine Brule 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 June 2023.

How much traffic does LA0098 over Bayou Plaquemine Brule carry?

About 994 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is LA0098 over Bayou Plaquemine Brule?

The structure is 258 ft (78.6 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0098 over Bayou Plaquemine Brule?

It is owned by the State Highway Agency.