US Bridges

North Frontage RD over E. Lacassine Bayou

Fair

Jefferson Davis Parish, Louisiana · 6.4 Mi. E of LA 101 · Structure no. 072704500309994

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
606
2021 count
Owner
State
State Highway Agency

About this bridge

North Frontage RD over E. Lacassine Bayou is a concrete slab carrying North Frontage RD over E. Lacassine Bayou in Jefferson Davis Parish, Louisiana. It was built in 1964, so it is 61 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 606 vehicles a day, roughly 17% of them trucks, projected to reach 666 by 2041. The structure is 180 ft (54.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNorth Frontage RD
CrossesE. Lacassine Bayou
Location6.4 Mi. E of LA 101
RouteInterstate 10
CountyJefferson Davis Parish
StateLouisiana
Coordinates30.24707, -92.82997
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic606 (2021)
Projected traffic666 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 North Frontage RD over E. Lacassine Bayou built?

It was built in 1964, making it 61 years old in 2025.

What condition is North Frontage RD over E. 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 November 2023.

How much traffic does North Frontage RD over E. Lacassine Bayou carry?

About 606 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is North Frontage RD over E. Lacassine Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns North Frontage RD over E. Lacassine Bayou?

It is owned by the State Highway Agency.