US Bridges

LA0099 over East Lacassine Bayou

Fair

Jefferson Davis Parish, Louisiana · 0.6 MI N. of I - 10 · Structure no. 072701980301621

Built
2004
21 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
1,391
2024 count
Owner
State
State Highway Agency

About this bridge

LA0099 over East Lacassine Bayou is a concrete slab carrying LA0099 over East Lacassine Bayou in Jefferson Davis 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 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.

It carries about 1,391 vehicles a day, roughly 17% of them trucks, projected to reach 1,530 by 2044. The structure is 160 ft (48.8 m) long and 42 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesLA0099
CrossesEast Lacassine Bayou
Location0.6 MI N. of I - 10
RouteState Highway 99
CountyJefferson Davis Parish
StateLouisiana
Coordinates30.25545, -92.82174
Functional classRural Major 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,391 (2024)
Projected traffic1,530 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 LA0099 over East Lacassine Bayou built?

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

What condition is LA0099 over East Lacassine 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 July 2024.

How much traffic does LA0099 over East Lacassine Bayou carry?

About 1,391 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is LA0099 over East Lacassine Bayou?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns LA0099 over East Lacassine Bayou?

It is owned by the State Highway Agency.