US Bridges

US0090 over East Lacassine Bayou

Good

Jefferson Davis Parish, Louisiana · 2.22 MI East of LA 1131 · Structure no. 072700030610101

Built
1992
33 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
4,262
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over East Lacassine Bayou is a concrete slab carrying US0090 over East Lacassine Bayou in Jefferson Davis Parish, Louisiana. It was built in 1992, so it is 33 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 4,262 vehicles a day, roughly 18% of them trucks, projected to reach 4,688 by 2041. The structure is 160 ft (48.8 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS0090
CrossesEast Lacassine Bayou
Location2.22 MI East of LA 1131
RouteU.S. Route 90
Coordinates30.23218, -92.82854
Functional classRural Minor Arterial

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80 US tons
Inventory rating48 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 width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,262 (2021)
Projected traffic4,688 by 2041
Trucks18%
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 US0090 over East Lacassine Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is US0090 over East Lacassine Bayou 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 January 2024.

How much traffic does US0090 over East Lacassine Bayou carry?

About 4,262 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is US0090 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 47 ft wide.

Who owns US0090 over East Lacassine Bayou?

It is owned by the State Highway Agency.